{"title":"Furnace Filters","description":"\u003cp\u003eExplore our furnace filters range, featuring Filtrete, Aerostar, Simply and more. Every order ships free across the UK, with free 30-day returns as standard.\u003c\/p\u003e","products":[{"product_id":"aprilaire-merv-16-whole-house-replacement-air-filter-20x25x4-model-216-4-inch-high-efficiency-for-allergies-viruses","title":"Aprilaire MERV 16 Whole-House Replacement Air Filter 20x25x4 — Model 216, 4-inch High-Efficiency for Allergies \u0026 Viruses","description":"\u003cp\u003e\u003cstrong\u003eAprilAire 216 is a genuine 4-inch MERV 16 replacement filter for AprilAire whole-house air cleaners designed to capture the smallest airborne particles that pass through your HVAC system.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUse this factory-engineered AprilAire filter to help reduce common indoor airborne contaminants as your HVAC system circulates air. Engineered and made in the USA, the 216 filter combines deep media area, a patented self-seal, and AprilAire’s Interlock Rail convenience so you get high-efficiency filtration with straightforward installation and service intervals up to six months under normal use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the AprilAire 216 improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe 216 filter uses dense, multi-layer filter media with a MERV 16 minimum efficiency rating (tested to ASHRAE 52.2), which removes a very high percentage of fine particles that pass through the whole-house cleaner. That reduces airborne pollen, pet dander, mold spores, smoke-related particulates and many virus-sized particles captured in the airstream.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCatches up to 99% of many allergy and asthma triggers as air passes through the filter.\u003c\/li\u003e\n  \u003cli\u003eCaptures up to 98% of virus-size airborne particles under tested conditions.\u003c\/li\u003e\n  \u003cli\u003eLarge 4-inch media provides about 28 sq ft of filtering area for longer life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my AprilAire air cleaner?\u003c\/h3\u003e\n\u003cp\u003eThe AprilAire 216 is a genuine replacement intended specifically for AprilAire models and Space-Gard installations listed by the brand. It is built to the nominal industry size 20 x 25 x 4 inches and integrates with AprilAire’s Interlock Rail for a no-fuss swap.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with AprilAire models: 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200.\u003c\/li\u003e\n  \u003cli\u003eWorks with Space-Gard 2200 when used with Upgrade Kit 1213.\u003c\/li\u003e\n  \u003cli\u003ePure Fit Promise ensures correct fit with AprilAire housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eReplacement is simple thanks to AprilAire’s patented Interlock Rail System — no extra frames, assembly, or reinforcement required. Package instructions are illustrated, and the simple slide-in design speeds maintenance and limits handling of the filter media.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThree-step process: unpack, slide into the rail, close the door.\u003c\/li\u003e\n  \u003cli\u003eSelf-Seal Technology minimizes air bypass around the filter for consistent performance.\u003c\/li\u003e\n  \u003cli\u003eTypical service life up to six months, depending on system runtime and indoor conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the 4-inch design affect HVAC performance?\u003c\/h3\u003e\n\u003cp\u003eThicker media increases surface area for particle capture while maintaining low initial resistance to airflow, which helps protect HVAC components and can reduce dust buildup on critical parts. That can support energy-efficient operation and potentially extend equipment life by keeping internal coils and fans cleaner.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApproximately 28 square feet of filtering media for higher dust-holding capacity.\u003c\/li\u003e\n  \u003cli\u003eLow initial pressure drop helps preserve airflow and system efficiency.\u003c\/li\u003e\n  \u003cli\u003eAprilAire Clean Coil Commitment supports reduced system maintenance when used properly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The AprilAire 216 MERV 16 replacement filter is intended for homeowners and building managers who use AprilAire whole-house air cleaners and want high-efficiency particulate removal without complicated installation. It’s suited for households concerned about allergies, pet dander, smoke, pollution, and for anyone seeking longer filter life and simplified maintenance in compatible AprilAire or Space-Gard systems.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does the AprilAire 216 filter typically last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under normal household conditions the 4-inch AprilAire 216 usually provides up to six months of service before replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which AprilAire units are compatible with the 216 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The 216 fits models 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200 and Space-Gard 2200 with upgrade kit 1213.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aprilaire","offers":[{"title":"Default Title","offer_id":54580351828307,"sku":"B07D2LP5QR","price":178.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/applaire-216-front-packaging.jpg?v=1786631325"},{"product_id":"filtrete-16x25x5-air-filter-merv-11-mpr-1000-2-pack-pleated-electrostatic-4-31in-thick","title":"Filtrete 16x25x5 Air Filter MERV 11 MPR 1000 — 2-Pack Pleated Electrostatic, 4.31in Thick","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 16x25x5 MPR 1000 (MERV 11) is a pleated electrostatic HVAC filter sold as a 2-pack that captures a wide range of household particles while fitting Lennox media air cleaners and systems requiring a 4.31-inch-thick filter.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Filtrete furnace and AC filter, manufactured by 3M, uses the brand’s multi-layer filtration technology to trap microscopic and larger airborne matter while maintaining airflow for home heating and cooling systems. Each cartridge is labeled with its actual dimensions (15.63 x 24.74 x 4.31 inches) and designed for use up to 12 months depending on household conditions. Certified by GreenCircle for recycled content and recognized by independent asthma and allergy testing, this MPR 1000\/MERV 11 option balances particle capture with system compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe combination of MPR 1000 and MERV 11 ratings targets both fine and larger particles commonly found indoors. It pulls in pet hair residues, smoke byproducts, pollen, mold spores, and general household dust, reducing the number of particulates circulating through your HVAC system. The pleated electrostatic design increases surface area for trapping contaminants while permitting steady airflow.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures microparticles including some 0.3–1 micron sizes per industry testing standards\u003c\/li\u003e\n  \u003cli\u003eTraps larger debris such as lint and pollen on pleated media\u003c\/li\u003e\n  \u003cli\u003eDesigned to let adequate airflow through while collecting contaminants\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my Lennox or standard HVAC system?\u003c\/h3\u003e\n\u003cp\u003eYes — this Filtrete product is intended to fit systems that accept thicker media filters; its actual thickness measures 4.31 inches, so confirm your unit supports that depth. The package is a two-filter set, each with the listed actual dimensions, making it suitable where the system calls for a 5-inch or larger filter slot. Always check your equipment manual for filter depth compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual dimensions: 15.63 x 24.74 x 4.31 inches each\u003c\/li\u003e\n  \u003cli\u003eCompatible with Lennox brand media air cleaners and many HVAC units that accept 4+ inch filters\u003c\/li\u003e\n  \u003cli\u003eSold as a convenient 2-pack for year-round coverage in many homes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace these filters and how can I remember?\u003c\/h3\u003e\n\u003cp\u003eFiltrete recommends changing this thicker home HVAC filter at least once every 12 months under typical conditions, though high-usage households or those with pets may need more frequent replacements. For easier scheduling, the Filtrete Smart App offers reminders set to 90-, 180-, or 365-day intervals, helping you maintain peak performance and protect system efficiency. Inspect the filter periodically and replace sooner if visibly dirty or airflow is reduced.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard guidance: replace at least once every 12 months\u003c\/li\u003e\n  \u003cli\u003eUse Filtrete Smart App to set change reminders (iOS and Android)\u003c\/li\u003e\n  \u003cli\u003eCheck sooner in homes with pets, smokers, or heavy dust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat certifications and environmental features does this filter have?\u003c\/h3\u003e\n\u003cp\u003eThis Filtrete filter contains verified recycled materials and has been audited for content by a third party. It also carries certification for asthma and allergy-friendly design from applicable testing organizations, indicating its suitability for homes seeking reduced allergen burden. These attributes reflect both performance and sustainability considerations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerified to contain at least 50% recycled content by GreenCircle Certified\u003c\/li\u003e\n  \u003cli\u003eCertified asthma and allergy-friendly by relevant testing groups\u003c\/li\u003e\n  \u003cli\u003eBacked by Filtrete’s reputation as a leading North American HVAC filter brand\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners and renters with furnaces, air conditioners, or whole-home HVAC systems that accept a filter depth of about 4.31 inches who want stronger particle capture than basic filters provide. It’s a practical choice for families with pets, residences in urban or high-pollen areas, or anyone seeking a balance of filtration efficiency, certified recycled content, and reminder tools to keep replacements on schedule.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the exact dimensions of each filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each filter measures 15.63 x 24.74 x 4.31 inches (actual size), sold as a 2-pack.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace Filtrete 16x25x5 MPR 1000 filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace at least once every 12 months; inspect sooner for pets, smokers, or heavy dust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54581371863379,"sku":"B0BVXJG134","price":137.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-2-pack.jpg?v=1786636309"},{"product_id":"filtrete-20x25x5-air-filter-merv-11-mpr-1000-2-pack-pleated-electrostatic-for-lennox-home-hvac","title":"Filtrete 20x25x5 Air Filter MERV 11 (MPR 1000) 2-Pack — Pleated Electrostatic for Lennox \u0026 Home HVAC","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x25x5 MERV 11 (MPR 1000) air filters are pleated, electrostatic HVAC filters in a 2-pack designed to capture a wide range of household particles while fitting systems that call for a 4.31\"–5\" thick filter.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Filtrete 2-pack (actual size 19.63 x 24.75 x 4.31 inches) brings the brand’s 3-in-1 filtration technology to residential furnaces, air conditioners and media air cleaners such as Lennox-compatible units. The filters are rated MPR 1000 and MERV 11, engineered to attract and trap both larger debris—like lint, pollen and pet hair—and many smaller airborne particles present in home HVAC airflow. They arrive pleated and electrostatically charged to improve particle capture while maintaining airflow for typical home systems when replaced at recommended intervals.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter help with everyday airborne particles?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 1000 pleated design and electrostatic charge help catch a broad spectrum of particles that circulate through home ducts. While not a medical device, it reduces many common particulates so less dust settles on surfaces and less debris flows through HVAC components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures large particles: lint, pollen, household dust and mold spores.\u003c\/li\u003e\n  \u003cli\u003eReduces many smaller particles: pet dander and smoke-related particulates.\u003c\/li\u003e\n  \u003cli\u003ePleated media offers increased surface area for trapping particles.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic charge enhances capture efficiency without a large airflow penalty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my Lennox or other HVAC media air cleaner?\u003c\/h3\u003e\n\u003cp\u003eThis Filtrete item is designed to fit systems specifying a 4.31\" (approx. 5\" nominal) filter thickness and works in installations that accept the actual dimensions of 19.63 x 24.75 x 4.31 inches. Check your system’s required filter size and depth before purchasing to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual dimensions listed to avoid size confusion with nominal sizing.\u003c\/li\u003e\n  \u003cli\u003eCompatible with Lennox brand media air cleaners and similar HVAC setups.\u003c\/li\u003e\n  \u003cli\u003eIntended for home furnaces and air conditioners that accept 4\"+ media filters.\u003c\/li\u003e\n  \u003cli\u003eSold as a convenient 2-pack for staggered replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change a 5-inch Filtrete furnace filter?\u003c\/h3\u003e\n\u003cp\u003eFor steady, reliable performance of your heating and cooling equipment, replace this 4.31\" Filtrete filter at least once every 12 months under normal residential conditions. More frequent changes are advisable in homes with pets, smokers, high dust, or allergy concerns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard recommendation: change at least once per 12 months.\u003c\/li\u003e\n  \u003cli\u003eIncrease frequency if household has pets, smokers, or heavy dust.\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App to set 90-, 180-, or 365-day reminders.\u003c\/li\u003e\n  \u003cli\u003eRegular replacement helps maintain airflow and HVAC efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance ratings and certifications does this filter carry?\u003c\/h3\u003e\n\u003cp\u003eThe filter combines an MPR 1000 designation with a MERV 11 rating, reflecting its tested particle-capture ability under common HVAC test standards. It is also certified by an asthma and allergy-friendly program, indicating independent testing for reduced allergen presence in airflow—though it is not a medical treatment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMPR 1000 and MERV 11 indicate higher-than-basic particle capture capability.\u003c\/li\u003e\n  \u003cli\u003eCertified asthma and allergy-friendly by an independent program.\u003c\/li\u003e\n  \u003cli\u003ePerformance based on industry-standard testing (ASHRAE 52.2 for particle ranges).\u003c\/li\u003e\n  \u003cli\u003eFiltrete is noted as a trusted North American HVAC filter brand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: homeowners and renters with HVAC systems or media air cleaners (including Lennox-compatible units) looking for a durable pleated electrostatic filter that balances particle capture and airflow. Choose this 2-pack if you prefer filters with clear actual dimensions, a higher MPR\/MERV classification than basic filters, and the convenience of app reminders for timely replacement.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the exact dimensions of this Filtrete filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The actual size is 19.63 x 24.75 x 4.31 inches; it’s sold as a 2-pack.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the 20x25x5 Filtrete filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace at least every 12 months under normal conditions; more often with pets, smokers, or heavy dust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54581372027219,"sku":"B0BVXDDZH7","price":166.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-2-pack_5600b9ab-e705-4b3d-a5ab-8f2792f745fc.jpg?v=1786636313"},{"product_id":"simply-merv-8-hvac-air-filters-14x30x1-6-pack-pleated-filters-allergy-pet-dander-protection","title":"Simply MERV 8 HVAC Air Filters 14x30x1 — 6-Pack Pleated Filters, Allergy \u0026 Pet Dander Protection","description":"\u003cp\u003e\u003cstrong\u003eSimply 14\" x 30\" x 1\" MERV 8 air filters (six-pack) are pleated HVAC filters designed to improve indoor air quality by capturing dust, pet dander, lint and pollen while fitting most residential systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese filters come as a six-count bundle with an actual dimension of 13.75\" x 29.75\" x 0.75\" and are built to work compatibly across a wide range of furnaces, air conditioners, heat pumps and central return grilles. Manufactured in the USA from American components, the pleated media balances particle capture and airflow so you can maintain efficient system performance without frequent replacements.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these filters reduce common household allergens?\u003c\/h3\u003e\n\u003cp\u003eThe pleated MERV 8 media is sized to trap many airborne particles that contribute to indoor dust and allergy symptoms. It captures larger particulates like dust, pet hair clumps, lint, and pollen while helping lower the load of allergen-bearing dust in ducts and on surfaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated MERV 8 for improved capture of common household particles\u003c\/li\u003e\n  \u003cli\u003eHigher pleat count increases surface area for more efficient trapping\u003c\/li\u003e\n  \u003cli\u003eDesigned to remove pet dander and pollen that settle into HVAC systems\u003c\/li\u003e\n  \u003cli\u003eHelps extend time between deeper duct cleanings by reducing debris\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters fit my existing furnace or AC unit?\u003c\/h3\u003e\n\u003cp\u003eYes — the nominal 14\" x 30\" x 1\" size corresponds to a common slot size; the precise product measurements (13.75\" x 29.75\" x 0.75\") ensure a snug fit in most housings. The filters are compatible with many major brands and can be used in return grilles or filter slots following the airflow arrow.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual size provided for accurate fit checks before purchase\u003c\/li\u003e\n  \u003cli\u003eWorks with many popular brands and aftermarket housings\u003c\/li\u003e\n  \u003cli\u003eClear airflow arrow on the frame for correct installation\u003c\/li\u003e\n  \u003cli\u003eSlide-in design for straightforward replacement in minutes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will each filter last and how often should I replace them?\u003c\/h3\u003e\n\u003cp\u003eUnder typical residential conditions each filter performs effectively for up to three months. Homes with multiple pets, heavy dust, or high pollen seasons may require more frequent changes to maintain airflow and capture performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEstimated service life: up to 3 months in normal conditions\u003c\/li\u003e\n  \u003cli\u003eReplace sooner in pet homes, dusty environments, or high pollen periods\u003c\/li\u003e\n  \u003cli\u003eObserve pressure drop or visible loading as replacement cues\u003c\/li\u003e\n  \u003cli\u003eSubscription option available for automatic, scheduled deliveries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat advantages come from the filter’s construction and packaging?\u003c\/h3\u003e\n\u003cp\u003eThese filters are made with attention to pleat density and frame integrity to balance filtration and system airflow. Each pack is heat-shrink wrapped to keep filters germ- and dust-free during shipping and storage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher pleat count increases effective media area without restricting airflow\u003c\/li\u003e\n  \u003cli\u003eDurable frame holds pleats uniformly for reliable performance\u003c\/li\u003e\n  \u003cli\u003eProudly made in the USA with American-sourced components\u003c\/li\u003e\n  \u003cli\u003eHeat-sealed shrink wrap keeps filters clean until installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: homeowners and small commercial operators who want a practical, cost-effective way to reduce airborne dust, pet allergens and debris in heating and cooling systems. If you need a readily available, easy-to-install filter compatible with most HVAC setups and a balance between particle capture and system airflow, this six-pack from Simply offers American-made construction and predictable three-month service intervals. Consider subscribing if you prefer automated deliveries and steady maintenance without the guesswork.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these filters compatible with my HVAC brand?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 14x30x1 nominal size fits most residential HVAC systems; check the actual dimensions (13.75\" x 29.75\" x 0.75\") to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change Simply MERV 8 filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically every three months; replace sooner in homes with pets, heavy dust, or high pollen levels.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Simply","offers":[{"title":"Default Title","offer_id":54581633974611,"sku":"B09RHMBGF1","price":121.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/simply-front-packaging-14x30x1.jpg?v=1786639199"},{"product_id":"filtrete-20x25x4-air-filter-merv-12-mpr-1550-2-pack-4-inch-pleated-electrostatic-asthma-allergy-friendly","title":"Filtrete 20x25x4 Air Filter MERV 12 MPR 1550 2-Pack — 4-inch Pleated Electrostatic, Asthma \u0026 Allergy Friendly","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x25x4 MPR 1550 is a 2-pack pleated electrostatic air filter (actual size 19.88 x 24.63 x 4.31 in) with MERV 12 performance designed to capture a wide range of household particles while fitting many Honeywell and AprilAire systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Filtrete filter, made by 3M, combines high-efficiency media and electrostatic charge to trap both large and very small particles as air flows through your furnace or HVAC system. With an MPR 1550 and MERV 12 rating, it is engineered for year‑round residential use and is certified asthma \u0026amp; allergy friendly. The package contains two 4-inch filters and is sized to fit systems that accept filters with a thickness of 4.31 inches or larger; actual dimensions are printed on the filter frame to avoid confusion with nominal sizes.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve indoor air quality for everyday homes?\u003c\/h3\u003e\n\n\u003cp\u003eThe Filtrete MPR 1550 filter captures a broad spectrum of particles, from visible dust and pollen to many submicron contaminants. Its pleated, electrostatically charged media increases surface area and attracts particles as air passes through, reducing the amount of airborne irritants circulating in living spaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures up to 50% of very small particles (0.3–1 micron) per ASHRAE test standards.\u003c\/li\u003e\n  \u003cli\u003eTraps lint, pet dander, pollen, smoke and smog efficiently.\u003c\/li\u003e\n  \u003cli\u003ePleated 4-inch depth provides extended life versus thinner filters.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic pull helps retain particles rather than letting them pass through.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my furnace, AC or media air cleaner?\u003c\/h3\u003e\n\n\u003cp\u003eUse the actual filter dimensions—19.88 x 24.63 x 4.31 inches—when selecting a replacement; this product is sold as a 2-pack. It is compatible with many systems that accept 4-inch filters and is specifically designed to fit Honeywell and AprilAire Space‑Gard style media air cleaners and similar housings that allow 4.31\" thickness.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck your equipment’s required size; this is slightly different than nominal 20x25x4 sizing.\u003c\/li\u003e\n  \u003cli\u003eFits systems that accept 4.31\" or larger filter depth.\u003c\/li\u003e\n  \u003cli\u003eIntended for residential furnace, AC and HVAC use only.\u003c\/li\u003e\n  \u003cli\u003eTwo filters in the pack give you a year-plus of coverage in many installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change a Filtrete 4-inch MPR 1550 filter?\u003c\/h3\u003e\n\n\u003cp\u003eFiltrete recommends replacing this 4-inch filter at least once every 12 months for optimal HVAC performance, though actual replacement frequency depends on household conditions and runtime. High dust loads, pets, or heavy pollen seasons can shorten service life, so check the filter visually and use the Filtrete Smart App reminders if you prefer automated alerts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMinimum recommended change: every 12 months under typical residential use.\u003c\/li\u003e\n  \u003cli\u003eConsider earlier replacement in homes with smokers, pets, or high outdoor pollution.\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App for 90-, 180-, or 365-day change reminders.\u003c\/li\u003e\n  \u003cli\u003eInspect the pleats for visible dirt buildup to confirm replacement timing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this filter certified for allergy and asthma concerns?\u003c\/h3\u003e\n\n\u003cp\u003eThe Filtrete MPR 1550 is certified asthma \u0026amp; allergy friendly, meeting standards intended to reduce common household triggers. While no filter guarantees elimination of all allergens, this product is engineered to capture many typical airborne particles that can exacerbate symptoms, adding an extra layer of protection when combined with other household measures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCertified asthma \u0026amp; allergy friendly to recognized testing criteria.\u003c\/li\u003e\n  \u003cli\u003eMERV 12 performance targets both larger and smaller airborne particles.\u003c\/li\u003e\n  \u003cli\u003eBest used as part of a broader indoor air strategy—ventilation, cleaning, and maintenance.\u003c\/li\u003e\n  \u003cli\u003eDesigned for residential environments, not for specialized medical or industrial use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this filter best for? Homeowners and renters who want higher-efficiency HVAC filtration without changing their system design will benefit most from the Filtrete 20x25x4 MPR 1550 2-pack. It’s a strong option for households with pets, seasonal allergies, or city pollution seeking a balance of particle capture and airflow. Verify your equipment accepts the actual 19.88 x 24.63 x 4.31 inch dimensions before ordering; if you need more frequent filtration changes, consider keeping replacement timing flexible based on visual inspection and household conditions.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this filter fit a nominal 20x25x4 slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This Filtrete’s actual size is 19.88 x 24.63 x 4.31 inches; confirm your housing accepts 4.31\" depth before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the Filtrete MPR 1550 4-inch filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace at least once every 12 months under typical use; change sooner with pets, heavy dust, or high runtime.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54581634105683,"sku":"B09RQCWV3L","price":166.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-2pack.jpg?v=1786639198"},{"product_id":"simply-20x30x1-air-filter-merv-8-6-pack-pleated-hvac-filters-for-dust-pet-dander-allergy-control","title":"Simply 20x30x1 Air Filter MERV 8 — 6-Pack Pleated HVAC Filters for Dust, Pet Dander \u0026 Allergy Control","description":"\u003cstrong\u003eSimply 20x30x1 MERV 8 air filters (six pack) are pleated HVAC filters designed to trap dust, pet dander, pollen and lint while maintaining household airflow for up to three months of use.\u003c\/strong\u003e\n\n\u003cp\u003eThese Simply Filters 20\" x 30\" x 1\" (actual 19.875\" x 29.875\" x 0.75\") come in a six-pack and fit most residential and light commercial HVAC, furnace, heat pump and AC systems. Built with a higher pleat count and manufactured in the USA from American components, they balance particle capture and airflow. Each filter ships heat-sealed to stay germ- and dust-free until installation, and the size is comparable to common retail options like 3M Filtrete MPR 600 and Honeywell FPR 5.\u003c\/p\u003e\n\n\u003ch3\u003eHow well will these filters reduce dust and pet dander?\u003c\/h3\u003e\n\u003cp\u003eWith a MERV 8 rating and pleated media, these filters capture many common airborne particles without overly restricting airflow. They’re effective at removing dust, pet hair and dander, lint, and larger pollen particles, making indoor air noticeably cleaner for most households.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 8-rated pleated media traps many particles down to 3.0–10.0 microns\u003c\/li\u003e\n  \u003cli\u003eHigher pleat count increases surface area for better capture\u003c\/li\u003e\n  \u003cli\u003eDesigned to remove household dust, pet dander, and pollen\u003c\/li\u003e\n  \u003cli\u003eRecommended replacement every up to 3 months under typical use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters fit my existing furnace or HVAC system?\u003c\/h3\u003e\n\u003cp\u003eThe listed nominal size is 20\" x 30\" x 1\", while the actual filter measures 19.875\" x 29.875\" x 0.75\", making them compatible with most return grilles and filter slots that accept 20x30x1 filters. Always check your system’s panel or current filter for the required dimensions before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual dimensions: 19.875\" x 29.875\" x 0.75\"\u003c\/li\u003e\n  \u003cli\u003eFits standard 20x30x1 HVAC, furnace, and air handler slots\u003c\/li\u003e\n  \u003cli\u003eSlide-in installation or follow airflow arrows on the frame for return grills\u003c\/li\u003e\n  \u003cli\u003eUniversal compatibility with many residential systems and brands\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy are these filters to install and maintain?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: unwrap the heat-sealed pack, follow the airflow arrows on the frame, and slide the filter into the slot. For best performance, replace filters approximately every three months or sooner if you have pets or heavy dust loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat-sealed packaging keeps filters clean until use\u003c\/li\u003e\n  \u003cli\u003eSimple slide-in replacement—no tools required\u003c\/li\u003e\n  \u003cli\u003eReplace every up to 3 months, more often with pets or heavy use\u003c\/li\u003e\n  \u003cli\u003eSubscription option available for automatic deliveries and savings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes these filters different from big-name brands?\u003c\/h3\u003e\n\u003cp\u003eSimply Filters emphasizes a higher pleat count and U.S. manufacturing with American components, offering a balance of value and performance comparable to popular retail brands. The construction aims to maximize capture area while preserving airflow so systems run efficiently.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher pleat density than many retail alternatives for more surface area\u003c\/li\u003e\n  \u003cli\u003eMade in the USA using 100% American components and recycled materials\u003c\/li\u003e\n  \u003cli\u003eHeat-sealed packaging to ensure clean delivery\u003c\/li\u003e\n  \u003cli\u003eCost-effective six-pack for routine maintenance and savings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and renters with standard 20x30x1 filter slots who want an affordable, American-made MERV 8 option for general dust, pet and allergy control. These filters suit families, pet owners, and apartment dwellers seeking dependable, easy-to-install filtration without heavy airflow penalties. If you need higher-efficiency medical-grade filtration, consult product specs or an HVAC professional to select a higher MERV option.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace Simply 20x30x1 MERV 8 filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace roughly every three months under normal conditions; more often with pets or high dust.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this 20x30x1 filter fit all HVAC brands?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits standard 20x30x1 slots and most residential systems, but confirm your system’s required actual dimensions first.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Simply","offers":[{"title":"Default Title","offer_id":54581634138451,"sku":"B09RHLZ94M","price":130.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/simply-front-packaging.jpg?v=1786639198"},{"product_id":"filtrete-hvac-air-filter-16x25x4-merv-12-mpr-1550-2-pack-pleated-electrostatic-asthma-allergy-friendly","title":"Filtrete HVAC Air Filter 16x25x4 MERV 12 (MPR 1550) 2-Pack — Pleated Electrostatic, Asthma \u0026 Allergy Friendly","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 16x25x4 MERV 12 (MPR 1550) is a 2-pack pleated electrostatic HVAC air filter designed to trap a wide range of indoor particles while maintaining airflow in residential furnaces and air conditioners.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis two-pack of Filtrete 16x25x4 filters (actual size 15.88 x 24.56 x 4.31 inches) combines the brand’s 3-in-1 filter technology with a high MPR 1550 and MERV 12 rating to reduce common indoor contaminants. Made by 3M, these pleated electrostatic filters are certified asthma \u0026amp; allergy-friendly and intended for 12-month use in compatible HVAC systems. They fit many major brands such as Lennox, Honeywell, Carrier, Bryant and others that accept a 4-inch media filter.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this Filtrete filter improve my home's air?\u003c\/h3\u003e\n\u003cp\u003eThe filter captures both large and very small particles from the air that passes through your HVAC system, helping reduce dust, pollen, pet dander, smoke and some bacteria-sized particles. Its electrostatic media attracts and holds particles, while the pleated design increases surface area for longer life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh MPR 1550 rating targets microscopic particles down to 0.3–1 micron.\u003c\/li\u003e\n  \u003cli\u003eMERV 12 classifies it for efficient residential particulate capture.\u003c\/li\u003e\n  \u003cli\u003ePleated construction provides greater dust-holding capacity than flat filters.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic charge enhances capture of smoke, pet dander, and pollen.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters fit my furnace or air conditioner?\u003c\/h3\u003e\n\u003cp\u003eThe pack lists nominal 16x25x4 but the actual dimensions are 15.88 x 24.56 x 4.31 inches—measure your filter slot before purchasing. They’re compatible with media air cleaners and housings from many manufacturers that accept 4-inch filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for systems calling for a 4.31\" filter thickness or larger.\u003c\/li\u003e\n  \u003cli\u003eCompatible with brands like Lennox, Honeywell, Carrier and Bryant.\u003c\/li\u003e\n  \u003cli\u003eSold as a convenient 2-pack for staggered replacement schedules.\u003c\/li\u003e\n  \u003cli\u003eCheck your unit’s manual for filter orientation and airflow direction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change these 4-inch Filtrete filters?\u003c\/h3\u003e\n\u003cp\u003eFiltrete recommends changing this 4-inch filter at least once every 12 months under normal residential conditions; heavier pollution or households with pets may require more frequent replacement. Use the Filtrete Smart App to set reminders at 90, 180 or 365 days to help maintain peak performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard guideline: replace annually for typical use.\u003c\/li\u003e\n  \u003cli\u003eConsider more frequent changes in smoky or high-pet environments.\u003c\/li\u003e\n  \u003cli\u003eApp reminders can help you track replacement intervals easily.\u003c\/li\u003e\n  \u003cli\u003eRegular changes help preserve HVAC efficiency and airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat certifications and performance claims apply to this product?\u003c\/h3\u003e\n\u003cp\u003eThis Filtrete model carries an asthma \u0026amp; allergy-friendly certification and has undergone industry-standard testing for particle capture efficiency. Filtrete bases capture percentages on ASHRAE 52.2 testing for submicron particles; the product is part of Filtrete’s trusted residential filter lineup.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCertified asthma \u0026amp; allergy-friendly by an independent program.\u003c\/li\u003e\n  \u003cli\u003ePerformance metrics based on ASHRAE 52.2 standardized testing.\u003c\/li\u003e\n  \u003cli\u003eFiltrete Brand recognized in North American residential HVAC surveys.\u003c\/li\u003e\n  \u003cli\u003eCombines electrostatic media and pleated design for balanced performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and renters with central HVAC systems who want a balance of strong particle capture and maintained airflow will benefit most from Filtrete 16x25x4 MERV 12 (MPR 1550) 2-pack filters. They are suited to families with seasonal allergies, pet owners, and anyone seeking a certified filter solution that fits many common furnace and AC housings. If you need higher airflow sensitivity (thin cabinet slots) or medical-grade filtration, review your system requirements and consider alternative MERV levels.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these filters truly 16x25x4?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are sold as 16x25x4 nominal size; actual measurements are 15.88 x 24.56 x 4.31 inches—measure your slot before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the Filtrete 4-inch filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace at least once every 12 months for typical homes; change more often in smoky or high-pet environments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54581634203987,"sku":"B09RQBQ776","price":138.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-view.jpg?v=1786639203"},{"product_id":"aprilaire-310-merv-11-whole-home-replacement-filter-20x20x4-deep-media-self-seal-for-less-dust","title":"Aprilaire 310 MERV 11 Whole-Home Replacement Filter 20x20x4 — Deep Media \u0026 Self-Seal for Less Dust","description":"\u003cp\u003e\u003cstrong\u003eThe AprilAire 310 is a genuine MERV 11, 20 x 20 x 4 whole-home replacement filter engineered to capture dust, pollen, pet dander and other airborne particles while protecting your HVAC system.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you’re noticing dust on furniture, allergy triggers, or declining HVAC efficiency, upgrading to the AprilAire 310 filter helps remove airborne contaminants before they settle. Built for AprilAire air cleaners, this 4\" filter offers a larger filter area and a patented seal system that minimizes bypass and extends filter life compared with standard 1\" furnace filters.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter reduce dust and allergens around the house?\u003c\/h3\u003e\n\u003cp\u003eThe AprilAire 310 uses MERV 11-rated media to trap a wide range of particles as air circulates through your home’s system. Because it captures contaminants at the air-handler stage, fewer particulates fall onto surfaces and settle into carpets and upholstery.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures pollen, mold spores, pet dander, dust and many airborne bacteria-sized particles.\u003c\/li\u003e\n  \u003cli\u003e21.3 sq ft of filter media increases particle contact area versus thin 1\" filters.\u003c\/li\u003e\n  \u003cli\u003eReduces visible dust buildup so you clean less often.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my AprilAire air cleaner and how easy is replacement?\u003c\/h3\u003e\n\u003cp\u003eThis replacement is designed specifically for AprilAire whole-home cleaners—models 1310, 2310, 3310 and 4300—and follows the brand’s Pure Fit Promise for a correct, secure fit. The patented Interlock Rail System and Self-Seal Technology make swaps quick and tool-free.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal size: 20 x 20 x 4 inches to match AprilAire filter slots.\u003c\/li\u003e\n  \u003cli\u003eTool-free installation: unpack, slide into the rail system, close the door.\u003c\/li\u003e\n  \u003cli\u003eSelf-Seal Technology reduces air bypass for consistent filtration performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will a single AprilAire 310 filter last and how does it affect system performance?\u003c\/h3\u003e\n\u003cp\u003eDesigned for up to 12 months of service under normal residential conditions, the 310’s deeper media holds more dust while maintaining low initial resistance. That reduces strain on your furnace or air handler and helps the system run more efficiently over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh dust-holding capacity supports longer replacement intervals—typically up to one year.\u003c\/li\u003e\n  \u003cli\u003eLow starting resistance helps preserve airflow and energy efficiency.\u003c\/li\u003e\n  \u003cli\u003eProtects HVAC components by preventing particle accumulation inside equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat standards and quality assurances back this replacement filter?\u003c\/h3\u003e\n\u003cp\u003eThe AprilAire 310 is performance-tested to ASHRAE 52.2 with a minimum MERV 11 rating, and it’s manufactured in the USA to AprilAire specifications. The product packaging includes illustrated replacement instructions and the company provides support under its Clean Coil Commitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTested to ASHRAE 52.2 standard, rated MERV 11 for particle removal efficiency.\u003c\/li\u003e\n  \u003cli\u003eMade in the USA by AprilAire and covered by the Pure Fit Promise.\u003c\/li\u003e\n  \u003cli\u003ePackaged with clear installation guidance and the patented interlock rail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners with AprilAire whole-house cleaners who want stronger filtration than standard furnace filters—especially those with allergies, pets, or high indoor dust levels—will benefit most. It’s also a practical choice for anyone aiming to protect HVAC components and reduce cleaning frequency while keeping replacement simple and reliable.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the AprilAire 310 compatible with my AprilAire unit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It fits AprilAire models 1310, 2310, 3310 and 4300 and uses the brand’s Interlock Rail System for a proper fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the AprilAire 310 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under typical residential use, expect up to 12 months of service; replace sooner in high-dust or heavy-usage environments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aprilaire","offers":[{"title":"Default Title","offer_id":54581746598227,"sku":"B07D3HPVRM","price":100.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/applaire-310-front-packaging_fd04c9d8-016e-4692-9afe-649ebf2a1145.jpg?v=1786640631"},{"product_id":"filtrete-20x25x1-air-filter-merv-11-mpr-1000-6-pack-pleated-1-filters-for-allergens-pet-dander-3-month-life","title":"Filtrete 20x25x1 Air Filter MERV 11 (MPR 1000) — 6-Pack Pleated 1\" Filters for Allergens \u0026 Pet Dander, 3-Month Life","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x25x1 MERV 11 (MPR 1000) 6-pack is a set of pleated 1\" HVAC filters engineered to capture allergens, pet dander and many microparticles while maintaining reliable airflow for three months per filter.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Filtrete filters from 3M combine pleated construction with the brand’s multi-stage filtration design to remove a wide range of common household particles from the air that circulates through your furnace or air conditioner. Each filter in this six-pack measures 19.68 x 24.68 x 0.81 inches actual size and is rated MPR 1000 and MERV 11, striking a balance between particle capture and system compatibility. Replace every 90 days for best performance, or use the Filtrete Smart App to scan the barcode and create replacement reminders.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this Filtrete filter reduce airborne allergens in my home?\u003c\/h3\u003e\n\u003cp\u003eThe filter’s fibrous pleated media captures both large and many smaller particles, lowering the concentration of common irritants that circulate through HVAC systems. Certified asthma and allergy-friendly, it is designed to trap dust, pollen, pet dander and similar contaminants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 11 and MPR 1000 rating for robust particle capture\u003c\/li\u003e\n  \u003cli\u003ePleated media increases surface area to trap more particles\u003c\/li\u003e\n  \u003cli\u003eCertified asthma and allergy-friendly for added reassurance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters work without restricting airflow or harming my HVAC system?\u003c\/h3\u003e\n\u003cp\u003eFiltrete balances filtration efficiency with airflow to keep most residential furnaces and air conditioners running as intended. The 1\" pleated design is compatible with standard housings, but always check your HVAC manufacturer’s filter specifications before installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for typical residential HVAC systems and 1\" slots\u003c\/li\u003e\n  \u003cli\u003ePleated design maintains airflow while improving capture\u003c\/li\u003e\n  \u003cli\u003eReplace every 90 days to avoid excess loading and airflow issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change these filters and how can I remember?\u003c\/h3\u003e\n\u003cp\u003eReplace each filter approximately every three months under normal household conditions to preserve filtration performance and system efficiency. For convenience, use the Filtrete Smart App to scan a filter barcode and set 30-, 60- or 90-day reminders so you get notified when it’s time to swap filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended change interval: every 90 days\u003c\/li\u003e\n  \u003cli\u003eSmart App reminder setup via barcode scanning\u003c\/li\u003e\n  \u003cli\u003eMore frequent changes recommended in high-dust or pet-heavy environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat particles and contaminants does this MERV 11 filter capture?\u003c\/h3\u003e\n\u003cp\u003eThe MERV 11\/MPR 1000 performance captures a broad range of household particles, including visible debris and many fine particulates. It helps reduce smoke, smog-related particles, pet dander, lint and pollen passing through your HVAC system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEffective on pollen, dust, lint and pet dander\u003c\/li\u003e\n  \u003cli\u003eReduces many microparticles in the 0.3–1.0 micron range\u003c\/li\u003e\n  \u003cli\u003eAlso captures larger airborne particles before they recirculate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners and renters seeking a reliable, mid-to-high efficiency 1\" filter that balances particle removal and system compatibility will find this Filtrete 6-pack useful. It’s a good match for households with pets or seasonal allergies that want an easy-to-install, certified option with digital reminder support. Verify your system accepts 1\" filters and consider more frequent replacement if you have heavy dust, multiple pets, or local air quality concerns.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this Filtrete filter compatible with standard 1\" HVAC slots?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. These filters are 1\" pleated and fit standard 1\" housings; confirm your system accepts 1\" filters before installing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does each filter last under normal use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each filter is designed for up to 90 days of typical residential use; replace sooner in high-dust or pet-heavy homes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54581764718931,"sku":"B07FNXPKYS","price":140.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-20x25x1.jpg?v=1786640777"},{"product_id":"filtrete-16x20x1-air-filters-merv-11-mpr-1000-6-pack-pleated-hvac-filters-90-day-life","title":"Filtrete 16x20x1 Air Filters MERV 11 (MPR 1000) – 6-Pack Pleated HVAC Filters, 90-Day Life","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 16x20x1 MERV 11 (MPR 1000) HVAC air filters — a six-pack of pleated 1-inch filters engineered to trap household dust, pet dander, smoke and many smaller airborne particles while maintaining airflow for heating and cooling systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Filtrete filters, made by 3M, combine pleated media and Filtrete 3-in-1 technology to balance particle capture with system efficiency. Each 16x20x1 filter carries an MPR 1000 rating and a MERV 11 classification, designed for routine residential use in furnaces, air handlers and central air-conditioner systems. The six-pack supply simplifies seasonal upkeep, and the Filtrete Smart App can help you set reminders so filters are replaced on schedule.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Filtrete 16x20x1 MERV 11 filter help keep indoor air cleaner?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 1000 pleated media captures a broad mix of particle sizes, from large visible dust and lint to many microparticles in the 0.3–1.0 micron range. It reduces the amount of airborne material that circulates through your HVAC, contributing to a fresher-feeling home environment without significantly restricting airflow when used as recommended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures pet dander, pollen, lint and household dust.\u003c\/li\u003e\n  \u003cli\u003eReduces smoke and smog-related microparticles compared to lower-rated filters.\u003c\/li\u003e\n  \u003cli\u003ePleated design increases surface area for longer service life up to 90 days.\u003c\/li\u003e\n  \u003cli\u003eBalances filtration with HVAC airflow for typical residential systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should I replace these filters and how long do they last?\u003c\/h3\u003e\n\u003cp\u003eFiltrete recommends changing a 1-inch pleated filter every 90 days under normal conditions to maintain performance and airflow. Homes with pets, smokers, high dust, or allergy sufferers may need changes more frequently—every 30 to 60 days—depending on visible buildup and system performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard guidance: replace at least every 90 days.\u003c\/li\u003e\n  \u003cli\u003eHeavy-use homes: consider 30–60 day changes.\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App to scan packaging barcode and set reminders.\u003c\/li\u003e\n  \u003cli\u003eInspect monthly for visible clogging or airflow reduction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter work with my furnace or central air system?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete 16x20x1 fits systems designed for 1-inch filters and is suitable for many residential furnaces, packaged units and air conditioners. Always check your HVAC manufacturer’s recommended filter size and MERV limits before installing; some equipment may specify a maximum filter efficiency for proper airflow and warranty compliance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for 1-inch filter slots common in residential systems.\u003c\/li\u003e\n  \u003cli\u003eCheck your unit’s size and MERV compatibility before use.\u003c\/li\u003e\n  \u003cli\u003eOffers a balance of filtration and airflow for typical home HVAC setups.\u003c\/li\u003e\n  \u003cli\u003eEasy to install: slide into existing filter rack following airflow arrow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat certifications or standards should I know about?\u003c\/h3\u003e\n\u003cp\u003eThis Filtrete product carries a MPR 1000 rating and is classified as MERV 11, indicating elevated capture of smaller particles compared with lower-rated filters. It is also certified as asthma and allergy-friendly in relevant testing programs, and Filtrete is a recognized brand in residential HVAC filtration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMPR 1000 — indicates microparticle performance rating.\u003c\/li\u003e\n  \u003cli\u003eMERV 11 — captures many particles in the 0.3–10 micron range.\u003c\/li\u003e\n  \u003cli\u003eCertified asthma and allergy-friendly by the applicable program noted on packaging.\u003c\/li\u003e\n  \u003cli\u003ePackaging may list the product name as Allergens \u0026amp; Pet Dander (update from Allergen Defense).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners who want a reliable, mid-to-high efficiency filter for routine HVAC maintenance will find these Filtrete 16x20x1 MERV 11 filters useful. They suit households with pets, seasonal pollen concerns, or those seeking better particle capture than basic fiberglass filters while preserving system airflow. Buying a six-pack supports scheduled replacements for several seasons and pairs with the Filtrete Smart App for convenient change reminders.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is MERV 11 too restrictive for my home HVAC system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MERV 11 is suitable for most residential systems, but check your HVAC manual for maximum recommended MERV ratings to ensure proper airflow and warranty compliance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use one filter for the whole 90 days in a home with pets?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Homes with pets often require more frequent changes; inspect monthly and consider replacing every 30–60 days if you see visible buildup.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54581764751699,"sku":"B07FP5X2S3","price":137.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-16x20x1-merv11.jpg?v=1786640781"},{"product_id":"filtrete-20x20x1-furnace-hvac-air-filter-mpr-1000-merv-11-6-pack-pleated-electrostatic-3-month-life","title":"Filtrete 20x20x1 Furnace\/HVAC Air Filter MPR 1000 (MERV 11) — 6-Pack Pleated Electrostatic, 3-Month Life","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x20x1 MPR 1000 (MERV 11) is a pleated, electrostatic 1-inch HVAC filter designed to trap a wide range of household particles for up to 90 days per filter.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 6-pack of Filtrete filters from 3M combines pleated construction with electrostatic attraction to capture both large debris and many smaller microscopic contaminants without unduly restricting airflow. Each panel filter measures an actual 19.69 x 19.69 x 0.81 inches and is intended for standard furnace, air conditioner, or HVAC return grilles. The filters carry an MPR 1000 rating (equivalent to MERV 11) and are intended for routine replacement every three months under normal home conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this Filtrete filter fit my HVAC or furnace?\u003c\/h3\u003e\n\n\u003cp\u003eThe filter is nominally 20x20x1 but the actual dimensions are 19.69 x 19.69 x 0.81 inches, so it fits common 1-inch filter slots for residential systems. Always confirm your system’s required size before purchasing to ensure a correct, sealed fit and proper airflow.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eActual dimensions: 19.69 x 19.69 x 0.81 in — sized for standard 20x20x1 slots.\u003c\/li\u003e\n  \u003cli\u003eWorks with most furnaces, air conditioners and central HVAC return grilles.\u003c\/li\u003e\n  \u003cli\u003eReplace every 90 days for typical residential use; check monthly if conditions are dusty or if you have pets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat particles will this MPR 1000 (MERV 11) filter capture?\u003c\/h3\u003e\n\n\u003cp\u003eWith MPR 1000 and a MERV 11-level performance, this Filtrete filter captures a wide range of airborne material, from household dust and pollen to finer particles like pet dander and some smoke particulates. The electrostatic treatment enhances the media’s ability to attract and hold microparticles as air passes through.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCaptures large particles like lint, pollen and dust.\u003c\/li\u003e\n  \u003cli\u003eAttracts and retains microparticles such as pet dander, smoke and smog.\u003c\/li\u003e\n  \u003cli\u003ePleated media increases surface area for longer effective life compared to flat or fiberglass filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter affect my system’s airflow or energy use?\u003c\/h3\u003e\n\n\u003cp\u003eFiltrete’s 3-in-1 design balances filtration and airflow for typical residential systems; however, any filter will slightly increase resistance as it collects debris. Replacing the filter every three months helps maintain efficient system operation and avoids the energy losses associated with a clogged filter.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePleated design offers filtration without severely restricting airflow when changed per schedule.\u003c\/li\u003e\n  \u003cli\u003eA clogged filter reduces airflow and forces the system to work harder—regular changes prevent this.\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart app to set reminders so you don’t overlook timely replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I keep track of when to replace these Filtrete filters?\u003c\/h3\u003e\n\n\u003cp\u003eFiltrete supports simple replacement reminders via the Filtrete Smart app: scan the barcode, choose a 30\/60\/90-day countdown, and receive a notification when it’s time to swap filters. Visual inspection monthly is still useful—if the media looks dirty, change it sooner.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eScan the package barcode in the Filtrete Smart app to set an automated replacement countdown.\u003c\/li\u003e\n  \u003cli\u003eChoose 30, 60 or 90-day reminder intervals depending on household conditions.\u003c\/li\u003e\n  \u003cli\u003eInspect the filter monthly and replace earlier if heavily soiled or if pets\/allergies increase load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners looking for a step up from basic fiberglass filters who want reliable particle capture without moving to thicker, specialty cartridge filters. It’s a practical choice for typical single-family homes, apartments, or anyone who wants improved removal of pollen, dust, pet dander and smoke particulates on a regular three-month maintenance cycle. Not intended for industrial use—sized and rated for residential HVAC systems.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace a Filtrete 20x20x1 MPR 1000 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 90 days under normal conditions; inspect monthly and change sooner if heavily soiled or with pets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does MPR 1000 equal MERV 11 performance?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—MPR 1000 corresponds to roughly MERV 11, capturing a broad range of household particles including fine microparticles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54581764784467,"sku":"B07FP6131L","price":158.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-package-20x20x1.jpg?v=1786640779"},{"product_id":"filtrete-20x30x1-furnace-air-filter-6-pack-mpr-1000-merv-11-1-inch-pleated-3-month","title":"Filtrete 20x30x1 Furnace Air Filter 6-Pack — MPR 1000 (MERV 11), 1-Inch Pleated, 3-Month","description":"\u003cb\u003eFiltrete 20x30x1 MPR 1000 is a pleated 1-inch electrostatic HVAC filter that captures a wide range of household particles while maintaining steady airflow for up to 90 days.\u003c\/b\u003e\n\n\u003cp\u003eEngineered by 3M, this Filtrete air filter combines an electrostatic charge with pleated media to trap both large debris and many microparticles commonly found indoors. With an MPR 1000 rating (roughly equivalent to MERV 11 performance for many particle sizes), the filter is intended for residential furnaces, air handlers and central air conditioners. It balances particle capture and airflow so your HVAC system can operate efficiently without undue strain when replaced on schedule.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 1000 uses charged microfibers to attract and hold particles that standard fiberglass or washable filters often miss. It captures visible contaminants like lint and pollen as well as smaller irritants such as pet dander and smoke-related particles, reducing what recirculates through your home.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrostatic pleated media traps both large and fine particles\u003c\/li\u003e\n  \u003cli\u003eMPR 1000 rating targets microparticles down to fine smoke and dander\u003c\/li\u003e\n  \u003cli\u003ePleated design increases surface area for longer effective life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change the Filtrete 20x30x1 MPR 1000?\u003c\/h3\u003e\n\u003cp\u003eThis 1-inch filter is sized for a three-month service life under typical residential conditions. Homes with pets, smokers, or high dust loads may require more frequent changes; Filtrete recommends replacing the filter at least every 90 days for optimal performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard replacement interval: up to 90 days\u003c\/li\u003e\n  \u003cli\u003eHigh dust\/pet or smoker homes: check monthly and replace sooner if dirty\u003c\/li\u003e\n  \u003cli\u003eUse Filtrete Smart app barcode scan to set change reminders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter affect my HVAC system’s performance?\u003c\/h3\u003e\n\u003cp\u003eFiltrete designs its pleated filters to balance particle capture and airflow so your heating and cooling system doesn't work harder than necessary. When installed correctly and replaced on schedule, the filter helps protect internal components while maintaining efficient airflow; a clogged or overdue filter, however, can reduce airflow and increase system energy use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePleated construction gives more filtering media without restricting airflow\u003c\/li\u003e\n  \u003cli\u003eRegular changes help prevent reduced system efficiency and higher energy use\u003c\/li\u003e\n  \u003cli\u003eRecommended for residential HVAC systems compatible with 1-inch filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat size and options are available for different homes?\u003c\/h3\u003e\n\u003cp\u003eThis listing is for the 20 x 30 x 1 (actual 19.81 x 29.81 x 0.81 in) size sold as a six-pack, intended for common furnace and air handler slots. Filtrete also offers higher and lower MPR levels and thicker filter depths if you need greater particle capture or longer service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThis pack: six 20x30x1 pleated filters (actual size provided)\u003c\/li\u003e\n  \u003cli\u003eAvailable MPR choices: 1000, 1200, 1550 for different capture goals\u003c\/li\u003e\n  \u003cli\u003eAlso offered in 4-inch and 5-inch thick options for extended life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this filter best for? Homeowners who want a reliable, mid-to-high level residential air filter that captures both visible debris and many smaller particles without dramatically increasing resistance in typical HVAC systems. It’s a practical choice for families with pets, seasonal allergies, or anyone looking to reduce indoor dust and airborne particles while keeping maintenance simple with three-month change cycles and app-based reminders.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is MPR 1000 the same as MERV 11?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MPR 1000 aligns closely with MERV 11 performance for many particle sizes, indicating strong capture of fine particles while allowing efficient airflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this 1-inch Filtrete filter in any HVAC system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use in residential furnace and central AC systems sized for 1-inch filters; confirm your unit’s filter slot dimensions before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54581764850003,"sku":"B07FP5X4HB","price":173.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-20x30x1.jpg?v=1786640780"},{"product_id":"filtrete-16x25x1-air-filter-6-pack-merv-11-mpr-1000-1-pleated-for-furnaces-ac","title":"Filtrete 16x25x1 Air Filter — 6-Pack MERV 11 (MPR 1000), 1\" Pleated for Furnaces \u0026 AC","description":"\u003cstrong\u003eFiltrete 16x25x1 MERV 11 (MPR 1000) 6-pack is a pleated HVAC air filter set designed to trap a wide range of household particles while allowing efficient airflow over three-month intervals.\u003c\/strong\u003e\n\n\u003cp\u003eThese Filtrete filters from 3M use a multi-layer electrostatic media to capture both large debris and finer microparticles, offering balanced air cleaning for furnaces, central air conditioners and split HVAC systems. Each thin, pleated 1-inch filter is rated MPR 1000 and MERV 11, which means it targets common indoor contaminants such as dust, pollen, pet dander and smoke particles while maintaining system efficiency when replaced on schedule.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these filters affect my heating and cooling system’s airflow?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete 1-inch pleated design preserves airflow better than highly restrictive filters while still trapping many airborne particles. Regular replacement—typically every 90 days—keeps resistance low so fans and coils run effectively and reduces strain on your HVAC components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1-inch pleat profile for balanced airflow and filtration\u003c\/li\u003e\n  \u003cli\u003eMERV 11 rating filters fine particles without extreme pressure drop\u003c\/li\u003e\n  \u003cli\u003eRecommended change interval: every 30–90 days depending on use and environment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of particles will these MPR 1000 filters capture?\u003c\/h3\u003e\n\u003cp\u003eWith an MPR 1000 score and MERV 11 performance, these filters capture a broad size range from visible dust and pollen to many smaller microparticles. They help reduce airborne pet dander, lint and some smoke or smog components that commonly circulate in homes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge particles: lint, household dust and pollen\u003c\/li\u003e\n  \u003cli\u003eSmaller particles: pet dander and some smoke or smog residues\u003c\/li\u003e\n  \u003cli\u003eCertified asthma and allergy-friendly manufacturing process\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change these filters and how can I remember?\u003c\/h3\u003e\n\u003cp\u003eFiltrete recommends replacing the 1-inch pleated filter at least every 90 days for typical household use. If you have indoor pets, live in a high-allergen area, or run your system continuously, check or replace filters more frequently.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard guidance: replace at least every 90 days\u003c\/li\u003e\n  \u003cli\u003eHigh-use or allergen-prone homes: inspect monthly, replace sooner as needed\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App to scan packaging and set 30\/60\/90-day reminders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters work in my furnace, air conditioner, or HVAC system?\u003c\/h3\u003e\n\u003cp\u003eYes — the 16x25x1 Filtrete pleated filters are compatible with most furnaces, central air systems and other HVAC setups that accept 1-inch filters. Always verify your system’s filter slot dimensions and airflow direction before installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSize: 16 x 25 x 1 inch standard fit for many residential units\u003c\/li\u003e\n  \u003cli\u003eUniversal use: suitable for furnaces, central AC, and heat pumps with 1\" filter slots\u003c\/li\u003e\n  \u003cli\u003eCheck arrow on frame for correct airflow orientation during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Filtrete 16x25x1 MERV 11 (MPR 1000) 6-pack is intended for homeowners and renters who want stronger particle capture than basic fiberglass filters without significantly increasing HVAC strain. It’s a good fit for households with pets, seasonal pollen exposure, or anyone seeking a reliable, app-reminder-friendly filter to maintain cleaner indoor air and steady system performance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does one Filtrete 16x25x1 filter last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically up to 90 days for average homes; replace sooner in high-use or pet-heavy households.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this MERV 11 filter fit my HVAC unit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits systems that accept 1-inch filters sized 16x25x1; check your unit’s filter slot and airflow arrow.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54581764948307,"sku":"B07FP5X3JM","price":141.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-16x25x1.jpg?v=1786640780"},{"product_id":"filtrete-14x24x1-air-filter-merv-11-mpr-1000-6-pack-pleated-1-hvac-filters-for-allergens-pet-dander-90-day-life","title":"Filtrete 14x24x1 Air Filter MERV 11 (MPR 1000) 6-Pack — Pleated 1\" HVAC Filters for Allergens \u0026 Pet Dander, 90-Day Life","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 14x24x1 MERV 11 (MPR 1000) is a 6-pack of pleated 1\" HVAC filters designed to capture allergens, pet dander and many microparticles while preserving reliable airflow for 90-day use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis set of six Filtrete filters (actual size 13.68 x 23.68 x 0.81 in) combines Filtrete’s 3-in-1 media technology with a MPR 1000 and MERV 11 rating to trap a wide range of airborne particles that pass through your furnace, air conditioner or whole-home HVAC system. Each filter is built for a typical three-month run time and can be tracked through the Filtrete Smart App by scanning the barcode on the package to set replacement reminders.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter balance particle capture with airflow?\u003c\/h3\u003e\n\u003cp\u003eFiltrete’s engineered pleated media is designed to trap many small and larger particles while maintaining the airflow your HVAC system needs to run efficiently. The MPR 1000 and MERV 11 rating indicate stronger collection of microparticles compared to lower-rated disposable filters, without creating excessive resistance when installed correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePleated 1\" media for larger surface area and sustained airflow\u003c\/li\u003e\n  \u003cli\u003eMPR 1000 rating targets microparticles in the 0.3–1.0 micron range\u003c\/li\u003e\n  \u003cli\u003eMERV 11 capacity improves capture of fine particles versus basic filters\u003c\/li\u003e\n  \u003cli\u003eReplace every 90 days to keep airflow and performance consistent\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat particles will these filters help reduce in my home?\u003c\/h3\u003e\n\u003cp\u003eThese filters are formulated to capture a wide assortment of airborne contaminants that commonly circulate through household HVAC systems. They pick up visible debris like dust and lint as well as smaller particulates such as smoke, smog residues and pet dander that are harder to remove with lower-rated filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge particles: household dust, lint and visible debris\u003c\/li\u003e\n  \u003cli\u003ePollen and common outdoor allergens tracked indoors\u003c\/li\u003e\n  \u003cli\u003eMicroparticles: pet dander, smoke and smog-related particulates\u003c\/li\u003e\n  \u003cli\u003eCertified asthma \u0026amp; allergy-friendly labeling for indoor comfort considerations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and maintain the Filtrete 14x24x1 filters?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward—slide the filter into the HVAC slot following the airflow arrow printed on the frame. For consistent performance, check the filter every 30 days and replace it at least every 90 days or sooner in homes with heavy pet use, smokers, or allergy concerns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatch filter size and arrow direction to your HVAC housing\u003c\/li\u003e\n  \u003cli\u003eCreate reminders via the Filtrete Smart App by scanning the package barcode\u003c\/li\u003e\n  \u003cli\u003eInspect monthly; replace every 90 days or earlier if visibly soiled\u003c\/li\u003e\n  \u003cli\u003eDispose of used filters per local waste guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose a 6-pack of Filtrete filters instead of single replacements?\u003c\/h3\u003e\n\u003cp\u003eBuying a six-pack ensures you have enough filters for regular scheduled changes across seasons, often saving time and reducing the chance of running your system on a clogged filter. Having replacements on hand helps maintain consistent HVAC efficiency and indoor air handling without last-minute shopping trips.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProvides filters for approximately 18 months of standard 90-day cycles\u003c\/li\u003e\n  \u003cli\u003eConvenience of bulk supply—less frequent reorder needs\u003c\/li\u003e\n  \u003cli\u003eConsistent performance across replacements; all filters from same production batch\u003c\/li\u003e\n  \u003cli\u003eCompatible with furnaces, air conditioners and whole-home HVAC systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners and renters who run central heating or cooling systems and want a reliable, mid-to-high efficiency disposable filter that captures both visible and many invisible particles — especially households with pets, seasonal allergies, or urban air concerns. These Filtrete 14x24x1 MERV 11 (MPR 1000) filters suit anyone who prefers scheduled maintenance, easy Smart App reminders, and the convenience of a six-pack supply to keep indoor air handling consistent.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the Filtrete 14x24x1 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 90 days under normal conditions; check monthly and change sooner if visibly dirty or with heavy pets or smokers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this filter fit my HVAC system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This filter fits housings that accept 14x24x1 filters; actual dimensions are 13.68 x 23.68 x 0.81 in, so verify your slot size before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54581764981075,"sku":"B07FPB8Q8G","price":154.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-14x24x1.jpg?v=1786640778"},{"product_id":"filtrete-16x20x4-furnace-air-filter-mpr-1550-merv-12-2-pack-electrostatic-4-31in-depth","title":"Filtrete 16x20x4 Furnace Air Filter MPR 1550 MERV 12 — 2-Pack Electrostatic, 4.31in Depth","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 16x20x4 MPR 1550 (MERV 12) is a 2-pack electrostatic HVAC filter designed to trap a wide range of airborne particles while maintaining airflow for year-long home use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Filtrete pack by 3M combines a high MPR (1550) and MERV 12 performance in a 4.31-inch depth, engineered to fit systems that accept larger filters such as Honeywell, Lennox, and Carrier media units. The pleated, electrostatic media captures fine particles like pollen, smoke, pet dander, and many submicron contaminants while allowing efficient air movement through furnaces, air handlers, and air conditioners. Replace once per year for consistent performance and use the Filtrete Smart App to set reminders for filter changes.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter reduce indoor particles during daily use?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete 16x20x4 uses layered electrostatic media engineered to attract and hold particles across a range of sizes. Its MPR 1550 and MERV 12 ratings indicate stronger efficiency for small and mid-sized particles compared with standard fiberglass filters, so more contaminants are retained within the pleats instead of circulating in the home.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures many small particles including some down to submicron sizes.\u003c\/li\u003e\n  \u003cli\u003eTraps larger particles such as dust, lint and pollen in outer layers.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic charge helps pull particles into the media fibers.\u003c\/li\u003e\n  \u003cli\u003ePleated 4.31\" depth increases surface area for longer life and capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my furnace or HVAC unit?\u003c\/h3\u003e\n\u003cp\u003eMeasure your filter slot and confirm your system supports a thick media filter (this product’s actual size is 15.88 x 19.88 x 4.31 inches). It’s compatible with many media-compatible housings and commonly used brands like Lennox, Honeywell and Carrier when they call for a 4-inch or larger depth filter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual dimensions: 15.88\" x 19.88\" x 4.31\" — not nominal size.\u003c\/li\u003e\n  \u003cli\u003eFits systems designed for 4-inch media filters or larger housings.\u003c\/li\u003e\n  \u003cli\u003eCompatible with most media air cleaners from major HVAC brands.\u003c\/li\u003e\n  \u003cli\u003eSold as a 2-pack for two replacement cycles or two units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change a 4-inch Filtrete filter to keep performance steady?\u003c\/h3\u003e\n\u003cp\u003eFor typical residential conditions, this 4-inch filter is designed to be replaced about once every 12 months, assuming normal household dust and usage. Use the Filtrete Smart App to schedule reminders at 90-, 180-, or 365-day intervals so you don’t forget.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended replacement interval: at least once every 12 months under normal conditions.\u003c\/li\u003e\n  \u003cli\u003eChange sooner if you have pets, heavy dust, renovations, or high pollen seasons.\u003c\/li\u003e\n  \u003cli\u003eApp reminders available via Filtrete Smart App for timely swaps.\u003c\/li\u003e\n  \u003cli\u003eInspect visually for excessive dirt or airflow reduction between changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance can I expect without making medical claims?\u003c\/h3\u003e\n\u003cp\u003eThe filter is engineered to capture a notable share of airborne particulates—both smaller and larger sizes—thereby reducing the amount of material circulating through your HVAC system. It’s certified asthma and allergy-friendly, and its ratings help you compare expected particle-trapping capability against other filters without promising health outcomes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMPR 1550 \u0026amp; MERV 12 reflect improved capture of small and mid-sized particles.\u003c\/li\u003e\n  \u003cli\u003eCertified asthma and allergy-friendly by relevant certifying bodies.\u003c\/li\u003e\n  \u003cli\u003eTested using industry-standard methods for particle capture efficiency.\u003c\/li\u003e\n  \u003cli\u003eDesigned to balance filtration with system airflow and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and renters with furnaces or air handlers that accept 4-inch media filters who want higher-efficiency particle capture without frequent replacements. Ideal for households with pets, seasonal allergies, or anyone who prefers a hands-off annual replacement cycle and app reminders. Also suited for buyers using Lennox, Honeywell, Carrier, or other compatible media housings who need a reliable, pleated electrostatic filter in a 2-pack.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this Filtrete filter the exact size listed on the box?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—the actual dimensions are 15.88 x 19.88 x 4.31 inches; check your slot accommodates a 4-inch (or larger) media filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does one filter typically last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under normal residential use, expect about 12 months per 4-inch filter; change sooner with pets, renovations, or heavy dust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54582029844819,"sku":"B086DYVPW2","price":135.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-16x20x4.jpg?v=1786642780"},{"product_id":"bnx-filtros-de-aire-20x25x1-merv-13-paquete-de-6-tamano-real-19-68x24-68x0-75-electrostatico","title":"BNX TruFilter MERV 13 HVAC Air Filter 20x25x1 (Actual 19.68x24.68x0.75) 6-Pack — Electrostatic Filtration for Allergies \u0026 Pets","description":"\u003cp\u003e\u003cstrong\u003eBNX TruFilter 20x25x1 is a MERV 13-rated, electrostatically charged HVAC air filter designed to trap microscopic particles while keeping low airflow resistance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEngineered and assembled in Houston, Texas, the BNX TruFilter replaces standard 20x25x1 filters with its true dimensions of 19.68\" x 24.68\" x 0.75\" (19 11\/16\" x 24 11\/16\" x 3\/4\"). This six-pack provides robust filtration for furnaces, air conditioners and whole-home HVAC systems, using electrostatically charged media and a single-piece recycled cardboard frame. The product is UL-classified and produced in a registered facility, offering a U.S.-made alternative for homes concerned with dust, pet dander, smoke and other airborne particles.\u003c\/p\u003e\n\n\u003ch3\u003eHow does BNX TruFilter improve indoor air without restricting HVAC airflow?\u003c\/h3\u003e\n\n\u003cp\u003eThe filter uses advanced electrostatic media that attracts and holds particles while engineered pleat spacing maintains low resistance to air movement. That balance helps your system run efficiently without forcing higher fan power to push air through.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMERV 13-rated media captures fine particles while preserving airflow.\u003c\/li\u003e\n  \u003cli\u003eOptimized pleat design reduces pressure drop across the filter.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic charge boosts particle capture without denser, restrictive layers.\u003c\/li\u003e\n  \u003cli\u003eActual dimensions (19.68\" x 24.68\" x 0.75\") ensure proper fit in 20x25x1 slots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat particles can this filter remove from my home?\u003c\/h3\u003e\n\n\u003cp\u003eWith a MERV 13 classification, the BNX TruFilter captures a wide range of airborne contaminants, including very small particulates that standard filters often miss. Use it where higher filtration efficiency is desired, such as homes with pets, seasonal allergies or smoke exposure.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFine dust, pollen and mold spores.\u003c\/li\u003e\n  \u003cli\u003ePet dander and common allergens.\u003c\/li\u003e\n  \u003cli\u003eSmoke and odor-carrying particles.\u003c\/li\u003e\n  \u003cli\u003eSmaller microscopic particulates captured by electrostatic media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs BNX TruFilter compatible with my HVAC or furnace system?\u003c\/h3\u003e\n\n\u003cp\u003eThe TruFilter is built to fit standard 20x25x1 slots but confirms by measuring the actual size printed on the package. It’s comparable to filters rated MPR 1500–1900 and FPR 10, so it substitutes for many high-efficiency residential filters without special adapters.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eActual filter size: 19.68\" x 24.68\" x 0.75\" for correct installation.\u003c\/li\u003e\n  \u003cli\u003eComparable to MPR 1500–1900 and FPR 10 ratings.\u003c\/li\u003e\n  \u003cli\u003eDesigned for standard furnace and air conditioner housings that accept 20x25x1 filters.\u003c\/li\u003e\n  \u003cli\u003eSold as a six-pack for regular scheduled replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is this filter manufactured and why does that matter?\u003c\/h3\u003e\n\n\u003cp\u003eBNX TruFilter is manufactured in an EPA-registered facility in Houston using a single-piece frame approach to minimize waste and recycled cardboard materials. The production process meets UL classification standards and emphasizes U.S.-based sourcing and quality control.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMade in USA at a registered BNX Converting facility in Texas.\u003c\/li\u003e\n  \u003cli\u003eSingle-piece frame reduces packaging waste and simplifies recycling.\u003c\/li\u003e\n  \u003cli\u003eUL-classified manufacturing and quality oversight ensure consistent build standards.\u003c\/li\u003e\n  \u003cli\u003eAutomated production improves consistency across each filter in the six-pack.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho should consider the BNX TruFilter? Homeowners seeking stronger filtration than basic fiberglass pads—especially those with pets, seasonal allergies, or smoke exposure—will find this MERV 13 filter useful. It’s also a practical choice for anyone wanting American-made HVAC supplies and predictable, easy-to-install 20x25x1 replacements sold in convenient six-packs. If your system accepts MPR 1500–1900 or FPR 10 equivalents, and you want a balance of high capture efficiency and low airflow resistance, the BNX TruFilter is designed to meet those needs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this fit a 20x25x1 filter slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The actual filter dimensions are 19.68\" x 24.68\" x 0.75\", designed to fit standard 20x25x1 slots.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace these MERV 13 filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace based on usage and conditions, commonly every 3 months, sooner with pets or heavy smoke exposure.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BNX","offers":[{"title":"Default Title","offer_id":54582359556435,"sku":"B09XGDZQNG","price":135.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/bnx-trufilter-empaque-frontal.jpg?v=1786644476"},{"product_id":"filtrete-filtro-de-aire-20x24x1-merv-11-mpr-1000-pack-de-4-3-meses-para-alergias-y-pelo-de-mascotas","title":"Filtrete 20x24x1 Air Filter 4-Pack — MERV 11 (MPR 1000) Pleated 1-Inch Filters for Allergens \u0026 Pet Dander, 3-Month","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x24x1 MERV 11 (MPR 1000) air filters are a 4-pack of 1-inch pleated HVAC filters designed to trap a wide range of household particles—pet dander, smoke, pollen and dust—while keeping steady airflow for three-month use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Filtrete filters, made by 3M, pair a MPR 1000 rating with MERV 11 performance to capture many microparticles between 0.3 and 1.0 microns as well as larger debris. Each pack contains four replacement filters sized to the actual dimensions of 19.68 x 23.68 x 0.81 inches (marketed as 20x24x1). The pleated design balances particle capture with system airflow, and you can track replacement timing using the Filtrete Smart App by scanning the barcode to set 30-, 60- or 90-day reminders.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these Filtrete filters reduce visible dust and household allergens?\u003c\/h3\u003e\n\u003cp\u003eThe combination of Filtrete’s 3-in-1 pleated media and a MERV 11 \/ MPR 1000 rating helps collect larger particles like lint and pollen as well as many smaller particles such as pet dander. Filters trap airborne particles as air passes through, decreasing the amount that settles on surfaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePleated filter media increases surface area for particle capture.\u003c\/li\u003e\n  \u003cli\u003eCatches lint, pollen, household dust and pet dander effectively.\u003c\/li\u003e\n  \u003cli\u003eMPR 1000 targets many microparticles in the 0.3–1.0 micron range.\u003c\/li\u003e\n  \u003cli\u003eCertified asthma and allergy-friendly by relevant certifying organizations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters affect HVAC airflow or system efficiency?\u003c\/h3\u003e\n\u003cp\u003eThe filter is engineered to balance filtration with airflow to avoid undue resistance in most residential HVAC systems. Replacing the 1-inch filter at recommended intervals (about every 90 days) helps maintain efficient airflow and reduces strain on heating and cooling equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1-inch pleated design minimizes excessive pressure drop while filtering air.\u003c\/li\u003e\n  \u003cli\u003eChange every 90 days for consistent airflow and optimal performance.\u003c\/li\u003e\n  \u003cli\u003eSuitable for furnaces, central air conditioners, and standard HVAC systems.\u003c\/li\u003e\n  \u003cli\u003eSmart App reminders help ensure timely replacements to protect efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know when to replace the Filtrete 20x24x1 filters?\u003c\/h3\u003e\n\u003cp\u003eFor most homes, Filtrete recommends replacing this 1-inch filter at least once every 90 days. You can personalize reminders using the Filtrete Smart App by scanning the barcode and setting a 30-, 60- or 90-day countdown to match your household’s air quality and usage patterns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDefault guidance: replace every 90 days under normal conditions.\u003c\/li\u003e\n  \u003cli\u003eShorten interval if you have pets, smokers, or high dust levels.\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App for automatic replacement notifications.\u003c\/li\u003e\n  \u003cli\u003eVisual inspection: replace sooner if filter shows heavy visible dirt.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat size and quantity are included, and how do they fit my system?\u003c\/h3\u003e\n\u003cp\u003eThis product contains four 1-inch pleated filters sized to the actual dimensions 19.68 x 23.68 x 0.81 inches (commonly labeled 20x24x1). They are intended for standard residential furnace and air conditioner filter slots sized to accept that measurement; always confirm your system’s required filter size before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePack contents: 4 filters per purchase for up to 12 months of routine changes.\u003c\/li\u003e\n  \u003cli\u003eActual size: 19.68 x 23.68 x 0.81 inches (marketed as 20x24x1).\u003c\/li\u003e\n  \u003cli\u003eFits most residential furnace and HVAC filter slots requiring 1-inch pleated filters.\u003c\/li\u003e\n  \u003cli\u003eBarcode works with Filtrete Smart App for replacement scheduling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and renters who want a dependable, mid-to-high efficiency 1-inch HVAC filter that captures a broad range of particles without excessive airflow restriction. This 4-pack suits households with pets, seasonal pollen exposure, light smoke or urban pollution who prefer scheduled reminders and easy replacements. Always verify filter slot dimensions before ordering and consult your HVAC professional if you have a specialized system or higher filtration needs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change a Filtrete 20x24x1 MERV 11 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 90 days under normal conditions; more often if you have pets, smokers, or heavy dust.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will a MERV 11 \/ MPR 1000 filter fit my HVAC system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This 1-inch filter fits systems requiring 20x24x1 (actual 19.68 x 23.68 x 0.81 in); confirm your system’s filter size before buying.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54582464512339,"sku":"B001ETX3F0","price":116.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-4-pack.jpg?v=1786646834"},{"product_id":"aprilaire-filtro-213-merv-13-20x25x4-para-purificadores-de-casa-pack-1-alta-captura-de-alergenos","title":"Aprilaire 213 Whole-Home Air Filter MERV 13 — 20x25x4 Deep Media, Self-Seal for Allergy Relief","description":"\u003cp\u003e\u003cstrong\u003eThe AprilAire 213 is a genuine MERV 13 whole-home replacement filter designed to trap common airborne allergens and protect your HVAC system while fitting AprilAire air cleaners exactly.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eInstalling the AprilAire 213 replacement filter helps reduce airborne pollen, pet dander, dust, mold spores and fine particles as your home’s heating and cooling system circulates air. Built to AprilAire’s specifications, this 20 x 25 x 4-inch filter uses a deep 4-inch media pack for increased surface area and longer life versus standard 1-inch filters. The unit's Self-Seal Technology and interlock rail system make swap-outs quick and ensure air passes through the filter media rather than around it.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the AprilAire 213 improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe 213 uses a dense MERV 13 filtering matrix to remove a wide range of small particulates from air passing through the HVAC system. Compared with thinner filters, its larger media area captures more dust and allergens before they circulate in living spaces. Performance testing follows ASHRAE 52.2 standards, and the design emphasizes efficient particle capture with minimal initial resistance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 13 rated for high-efficiency particle removal\u003c\/li\u003e\n  \u003cli\u003e4-inch depth offers roughly 28 sq ft of filter media for more capture\u003c\/li\u003e\n  \u003cli\u003ePatented Self-Seal Technology prevents bypass leakage\u003c\/li\u003e\n  \u003cli\u003eTested to ASHRAE 52.2 parameters for consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my AprilAire air cleaner?\u003c\/h3\u003e\n\u003cp\u003eThis is a genuine AprilAire replacement built to the brand’s exact dimensions and fit systems. The AprilAire 213 is nominally 20 x 25 x 4 inches and is compatible with a range of AprilAire models and Space-Gard units when used with the indicated upgrade kit. The patented interlock rail system eliminates complex assembly so you can replace the filter in three straightforward steps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal size: 20 x 25 x 4 inches\u003c\/li\u003e\n  \u003cli\u003eCompatible with AprilAire models 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200\u003c\/li\u003e\n  \u003cli\u003eAlso fits Space-Gard 2200 with Upgrade Kit 1213\u003c\/li\u003e\n  \u003cli\u003eThree-step replacement using AprilAire interlock rail system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will one AprilAire 213 filter last and will it affect energy use?\u003c\/h3\u003e\n\u003cp\u003eThe 4-inch media design increases dust-holding capacity so the 213 typically lasts significantly longer than thin disposable filters, often up to 12 months under normal conditions. Because the filter minimizes bypass and maintains low initial resistance, the HVAC system can run efficiently with less dust buildup on equipment. Fewer replacements and reduced dust accumulation can help lower maintenance frequency and support system longevity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUp to 12 months filter life under normal residential use\u003c\/li\u003e\n  \u003cli\u003eLow initial resistance to preserve airflow and efficiency\u003c\/li\u003e\n  \u003cli\u003eHigh dust-holding capacity reduces frequency of changes\u003c\/li\u003e\n  \u003cli\u003eBacked by AprilAire’s 10-year Clean-Coil Commitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat certifications and support come with this genuine AprilAire filter?\u003c\/h3\u003e\n\u003cp\u003eThe AprilAire 213 is manufactured in the USA and performance-tested to industry standards. AprilAire offers documentation, illustrated replacement instructions in the package, and app support to schedule reminders. The Genuine AprilAire label and Pure Fit Promise ensure the filter fits AprilAire equipment properly and performs as intended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMade in the USA and engineered to AprilAire specifications\u003c\/li\u003e\n  \u003cli\u003ePerformance tested to ASHRAE 52.2 (MERV 13 minimum efficiency)\u003c\/li\u003e\n  \u003cli\u003eHealthy Air App reminders for replacement timing\u003c\/li\u003e\n  \u003cli\u003ePure Fit Promise for correct fit and sealed installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners with AprilAire whole-house air cleaners or compatible Space-Gard systems who want a long-lasting, high-efficiency filter to reduce airborne allergens and protect HVAC equipment. It’s also a strong option for families prioritizing lower maintenance and reliable, tested filtration without modifying their existing system. Choose the AprilAire 213 when you want a genuine replacement built for fit, durability and consistent particle removal.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the AprilAire 213 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under normal residential conditions, the 4-inch AprilAire 213 can last up to 12 months; monitor airflow and follow the Healthy Air App or packaging guidance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the AprilAire 213 fit my older AprilAire cleaner?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this genuine 213 filter fits many AprilAire models listed in the product info and Space-Gard 2200 with the specified upgrade kit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aprilaire","offers":[{"title":"Default Title","offer_id":54582483255635,"sku":"B0040VU3XO","price":120.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/aprilaire-213-frontal-empaque.jpg?v=1786647143"},{"product_id":"aprilaire-filtro-aprilaire-210-merv-11-20x25x4-recambio-con-self-seal-y-larga-duracion","title":"Aprilaire 210 MERV 11 Whole-House Replacement Air Filter 20x25x4 — Annual, High-Efficiency Dust \u0026 Allergen Capture","description":"\u003cp\u003e\u003cstrong\u003eThe AprilAire 210 is a genuine MERV 11 replacement air filter designed to fit AprilAire whole-house air purifiers and reduce dust, pollen, pet dander, and other common airborne contaminants.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eReplacing your AprilAire filter with a certified AprilAire 210 ensures the purifier performs as intended: a tight self-seal, consistent airflow, and high-efficiency filtration. Engineered in the USA, the 210 filter is sized 20x25x4 and built to trap a wide range of particles while minimizing HVAC strain. Its annual service interval and long service life make it a straightforward maintenance item for cleaner indoor air.\u003c\/p\u003e\n\n\u003ch3\u003eHow much airborne debris does the AprilAire 210 remove?\u003c\/h3\u003e\n\u003cp\u003eThe AprilAire 210 is rated MERV 11, which captures a significant portion of dust, pollen, and common allergens. Independent lab testing shows high removal rates for particles in the 0.30–1.0 μm range, and the design removes up to 96% of larger dust and pollen particles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 11 performance suitable for residential whole-house systems\u003c\/li\u003e\n  \u003cli\u003eRemoves up to 96% of dust, pollen, and common allergens\u003c\/li\u003e\n  \u003cli\u003eProven improvement vs. lower-rated filters for particles down to 0.30 μm\u003c\/li\u003e\n  \u003cli\u003eHelps reduce household dusting and cleaning frequency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy should I choose a genuine AprilAire replacement rather than a generic filter?\u003c\/h3\u003e\n\u003cp\u003eGenuine AprilAire 210 filters are manufactured to exact AprilAire specifications so they form a proper airtight Self-Seal™ in the purifier housing. That fit and material consistency prevents bypass, protects HVAC components, and sustains the purifier’s verified efficiency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered to AprilAire tolerances for a secure seal\u003c\/li\u003e\n  \u003cli\u003eMaterials and construction validated through ASHRAE 52.2 testing\u003c\/li\u003e\n  \u003cli\u003eSupports AprilAire’s 10-year Clean-Coil Commitment when installed correctly\u003c\/li\u003e\n  \u003cli\u003eMade in the USA by AprilAire, the indoor air quality specialist\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the AprilAire 210 and what maintenance is required?\u003c\/h3\u003e\n\u003cp\u003eThe AprilAire 210 is designed for a 12-month service life under typical residential conditions. Replace it annually or sooner if your home has heavy dust, pets, or high pollen; use the AprilAire Healthy Air app to set reminders and track replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended replacement: at least once every 12 months\u003c\/li\u003e\n  \u003cli\u003eCheck sooner in high-dust or high-occupancy homes\u003c\/li\u003e\n  \u003cli\u003eMinimal installation: slide into purifier housing with the correct orientation\u003c\/li\u003e\n  \u003cli\u003ePair with scheduled HVAC maintenance for best performance and Clean-Coil support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the AprilAire 210 affect my HVAC system’s efficiency?\u003c\/h3\u003e\n\u003cp\u003eThe 210 is designed to balance filtration efficiency with airflow. Because it fits correctly and resists premature loading, it reduces strain on the system versus poorly fitting or low-quality replacements, and it can last up to twice as long as some competing filters under similar test conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOptimized media for filtration with maintained airflow\u003c\/li\u003e\n  \u003cli\u003eLonger life reduces frequency of replacements and upkeep\u003c\/li\u003e\n  \u003cli\u003eHelps protect coils and ductwork by trapping contaminants\u003c\/li\u003e\n  \u003cli\u003eSupports AprilAire’s Clean-Coil Commitment for qualifying installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The AprilAire 210 MERV 11 replacement filter is intended for homeowners and property managers using AprilAire whole-house air purifiers who want a reliable, certified filter that balances strong allergen capture with system compatibility. It’s a practical choice for families, pet owners, and anyone seeking to reduce household dust and common airborne allergens while maintaining proper HVAC performance and manufacturer-backed support.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the AprilAire 210 compatible with all AprilAire whole-house purifiers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the 210 is the specified MERV 11 replacement for AprilAire whole-house air purifiers sized 20x25x4; confirm your purifier model for compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does one AprilAire 210 filter last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under typical residential conditions, the AprilAire 210 is designed for up to 12 months of service; replace sooner in high-dust or pet households.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aprilaire","offers":[{"title":"Default Title","offer_id":54582487253331,"sku":"B005AIN8YW","price":114.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/applaire-210-frontal-envase.jpg?v=1786647281"},{"product_id":"filtrete-filtro-20x25x1-merv-11-mpr-1000-pack-4-1-pulg-captura-alergenos-y-pelo-de-mascota","title":"Filtrete 20x25x1 MERV 11 Air Filter 4-Pack — MPR 1000 Pleated 1\" Filters for Allergens \u0026 Pet Dander, 90-Day Life","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x25x1 MPR 1000 (MERV 11) is a 4-pack of pleated 1\" HVAC filters engineered to reduce airborne allergens and pet dander while maintaining reliable airflow for up to 90 days each.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Filtrete filters from 3M use proprietary 3-in-1 filtration technology to capture a broad range of particles — from visible dust and lint to many microscopic pollutants — while letting conditioned air pass efficiently through your furnace or air conditioning system. Each filter is sized at the actual dimensions 19.68 x 24.68 x 0.81 inches and comes as a set of four, intended for quarterly replacement to keep your system operating smoothly.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter balance filtration and airflow?\u003c\/h3\u003e\n\u003cp\u003eThe filter is designed to trap numerous particle sizes without unduly restricting airflow, helping your HVAC system keep working efficiently. Its pleated construction increases surface area so particles are captured on media layers while air continues to circulate.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 11 rating: targets many smaller airborne contaminants while permitting steady airflow\u003c\/li\u003e\n  \u003cli\u003eMPR 1000: optimized for capturing microparticles such as smoke and smog\u003c\/li\u003e\n  \u003cli\u003ePleated 1\" design: more filtration media per square foot than flat filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of particles will these filters remove in a home with pets?\u003c\/h3\u003e\n\u003cp\u003eFiltrete MPR 1000 filters are formulated to collect both larger debris like hair and lint and a substantial portion of pet-related allergens and dander. They don’t sterilize air but significantly reduce the amount of airborne material that circulates through your HVAC system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures pet dander and visible hair to lower recirculated allergen load\u003c\/li\u003e\n  \u003cli\u003eHelps reduce pollen, dust and household lint that cling to surfaces\u003c\/li\u003e\n  \u003cli\u003eEffective against many microparticles (0.3–1.0 microns) such as smoke\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace these filters and can I get reminders?\u003c\/h3\u003e\n\u003cp\u003eFor consistent performance, replace each filter at least once every 90 days; homes with more pets or smokers may need more frequent changes. Filtrete’s Smart App lets you scan the barcode and set a 30-, 60- or 90-day reminder so you receive a notification when it’s time to swap filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended: change every 90 days under typical conditions\u003c\/li\u003e\n  \u003cli\u003eUse Filtrete Smart App for automated change countdowns and alerts\u003c\/li\u003e\n  \u003cli\u003eFour filters in the pack cover about a year of routine maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this filter certified for allergy-sensitive households?\u003c\/h3\u003e\n\u003cp\u003eThis Filtrete filter is certified asthma \u0026amp; allergy-friendly, designed to capture many airborne allergens common in homes. While it helps lower allergen presence in circulated air, it complements other measures like cleaning and ventilation rather than replacing them.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCertified asthma \u0026amp; allergy-friendly for added consumer confidence\u003c\/li\u003e\n  \u003cli\u003eHelps reduce indoor allergen circulation when used as part of maintenance\u003c\/li\u003e\n  \u003cli\u003eWorks in furnaces, air conditioners and standard residential HVAC systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 4-pack is ideal for homeowners and renters who want a balance of improved indoor air quality and sustained HVAC performance — especially families with pets, seasonal allergy sufferers, or anyone who prefers a scheduled, low-effort maintenance cycle. If you want a trusted, brand-backed filter that fits standard 20x25x1 slots and offers app-based reminders, this Filtrete MPR 1000 set is designed to meet those needs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does MPR 1000 and MERV 11 mean for performance?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MPR 1000 indicates strong microparticle capture; MERV 11 shows the filter captures many small particles while still allowing good airflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this filter in any standard 20x25x1 slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the actual filter size is 19.68 x 24.68 x 0.81 inches and fits standard 20x25x1 HVAC, furnace, and AC filter slots.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54582487843155,"sku":"B005GZ8C0O","price":122.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-20x25x1.jpg?v=1786647309"},{"product_id":"filtrete-filtro-14x20x1-merv-11-mpr-1000-4-pack-3-meses-captura-alergenicos-y-caspa","title":"Filtrete 14x20x1 Air Filter MERV 11 (MPR 1000) — 4-Pack Pleated Electrostatic for Allergens \u0026 Pet Dander, 3-Month Life","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 14x20x1 MERV 11 (MPR 1000) is a pleated electrostatic HVAC filter designed to capture microparticles like pet dander, pollen, smoke, and household dust while maintaining reliable airflow for three months per filter.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Filtrete filters combine electrostatically charged fibers with a pleated design to trap both visible and microscopic contaminants as air circulates through your furnace, air conditioner or HVAC system. Each package contains four one-inch filters sized at an actual 13.68 x 19.68 x 0.81 inches and is intended for routine replacement every 90 days to keep equipment running efficiently and indoor air cleaner.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter remove tiny allergens without blocking airflow?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 1000 uses positively and negatively charged fibers that attract particles like magnets, improving capture of small debris without relying on extremely dense media that can restrict flow. The pleated structure increases surface area so more contaminants stick while air still moves through your system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrostatic media captures microparticles (0.3–1.0 micron range).\u003c\/li\u003e\n  \u003cli\u003ePleated construction boosts effective filter surface area.\u003c\/li\u003e\n  \u003cli\u003eMERV 11 rating balances filtration performance with airflow.\u003c\/li\u003e\n  \u003cli\u003eDesigned for use in standard 1-inch HVAC filter slots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace these filters and why?\u003c\/h3\u003e\n\u003cp\u003eFiltrete recommends replacing each filter approximately every three months for typical household conditions; homes with pets, smokers, or high pollen exposure may need more frequent changes. Regular replacement prevents excessive buildup that can reduce system efficiency and ensures continued particle capture.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard guidance: change every 90 days for average use.\u003c\/li\u003e\n  \u003cli\u003eHigh-contaminant homes: consider 30–60 day intervals.\u003c\/li\u003e\n  \u003cli\u003eFiltrete Smart App can set reminders using barcode scanning.\u003c\/li\u003e\n  \u003cli\u003eFour-pack provides a year of routine replacements for one slot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter help my heating and cooling equipment perform better?\u003c\/h3\u003e\n\u003cp\u003eBy trapping dust and debris before they settle inside HVAC components, the filter reduces buildup on coils and blower parts, which can lower system strain and support efficient operation. While it doesn’t replace professional maintenance, clean filters contribute to steady airflow and fewer performance losses over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoves dirt that would otherwise reach system internals.\u003c\/li\u003e\n  \u003cli\u003eSupports steady airflow to reduce fan and motor workload.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain designed efficiency between service visits.\u003c\/li\u003e\n  \u003cli\u003eSimple filter swaps are a low-cost way to protect equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat particles can I expect it to capture in my home?\u003c\/h3\u003e\n\u003cp\u003eThis MPR 1000 \/ MERV 11 filter targets a wide range of particulates — from larger dust and pollen to smaller pet dander, smoke, and some mold spores. It’s certified asthma- and allergy-friendly for its tested performance against common household allergens, though it’s not a medical device.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures household dust, lint, and pollen.\u003c\/li\u003e\n  \u003cli\u003eReduces airborne pet dander and dust-mite debris.\u003c\/li\u003e\n  \u003cli\u003eHelps capture smoke, smog, and some microscopic particles.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic action improves retention of fine particles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners who want a balance of stronger particle capture and dependable airflow — especially families with pets, seasonal allergy sufferers, or anyone seeking easier HVAC upkeep. The four-pack supplies enough filters for routine quarterly changes in a single filter slot for about a year, and the Filtrete Smart App can help you track replacements.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these filters compatible with standard 14x20x1 slots?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The actual filter size is 13.68 x 19.68 x 0.81 inches, designed to fit standard 14x20x1 HVAC slots.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can one filter last a full three months in my home?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically yes for average homes; replace sooner (30–60 days) if you have heavy pet hair, smokers, or high dust levels.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54582487974227,"sku":"B005GZ964A","price":125.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frente-del-empaque.jpg?v=1786647299"},{"product_id":"aprilaire-filtro-de-repuesto-213-merv-13-20x25x4-pack-de-4-captura-de-alergenos-y-sellado-hermetico","title":"Aprilaire 213 MERV 13 Whole-House Replacement Air Filter — 20x25x4 Slide-In Pack of 4, Self-Seal for Allergens","description":"\u003cp\u003e\u003cstrong\u003eThe AprilAire 213 is a genuine MERV 13 slide-in replacement filter designed for AprilAire whole-house air purifiers, offered here as a pack of four 20x25x4 filters to capture common allergens and small particles while fitting precisely with AprilAire systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeep your AprilAire Healthy Air System working at peak efficiency with certified AprilAire 213 filters. Engineered to the company’s exact specifications and manufactured in the USA, these MERV 13 filters trap a wide range of particles — including pollen, pet dander, dust mites, mold spores and many small airborne contaminants — and are built for a year-long usable life so you can rely on consistent indoor air performance with minimal maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the AprilAire 213 improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe 213 uses high-efficiency media rated MERV 13 to capture a substantial portion of fine and coarse particles that circulate through your HVAC system. Its construction also employs AprilAire’s Self-Seal™ Technology to ensure an airtight fit and reduce bypass so the purifier treats the air passing through the filter rather than around it.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 13 efficiency captures many particles down to the submicron range.\u003c\/li\u003e\n  \u003cli\u003eSelf-Seal™ frame reduces air leakage, improving system effectiveness.\u003c\/li\u003e\n  \u003cli\u003eThird-party verified performance for particles 0.30–1.0 μm shows enhanced removal.\u003c\/li\u003e\n  \u003cli\u003ePack of four gives you a year or more of scheduled replacements depending on usage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters fit my AprilAire air purifier and HVAC setup?\u003c\/h3\u003e\n\u003cp\u003eAprilAire 213 filters are manufactured to match the original AprilAire purifier specifications and are intended for slide-in filter housings that accept 20x25x4 elements. Using genuine AprilAire replacements helps preserve the purifier’s designed airflow and sealing characteristics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact dimensions: 20 x 25 x 4 inches for compatible housings.\u003c\/li\u003e\n  \u003cli\u003eSlide-in design for straightforward installation in AprilAire units.\u003c\/li\u003e\n  \u003cli\u003ePack of four provides multiple change cycles without reordering.\u003c\/li\u003e\n  \u003cli\u003eDesigned to work with the AprilAire Healthy Air System components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change the AprilAire 213 filter and what maintenance is needed?\u003c\/h3\u003e\n\u003cp\u003eAprilAire recommends replacing the 213 filter at least once every 12 months under typical residential conditions to keep the purifier operating efficiently. Heavy pollutant loads, pets, or dusty environments may require more frequent changes — the pack of four makes routine maintenance convenient.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard recommendation: replace annually to maintain peak performance.\u003c\/li\u003e\n  \u003cli\u003eCheck visually and during seasonal changes for increased loading.\u003c\/li\u003e\n  \u003cli\u003eUse the Healthy Air App to schedule reminders and track filter life.\u003c\/li\u003e\n  \u003cli\u003eMinimal maintenance besides periodic replacement and ensuring a proper seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat additional protections or assurances come with AprilAire 213 filters?\u003c\/h3\u003e\n\u003cp\u003eThese filters are backed by AprilAire’s design and manufacturing standards and a 10-year Clean-Coil Commitment that helps protect new systems when the purifier is installed and maintained according to guidelines. The company also highlights verified lab testing for particle removal to help you compare filtration performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10-year Clean-Coil Commitment contribution toward professional coil cleaning under qualifying conditions.\u003c\/li\u003e\n  \u003cli\u003ePerformance testing follows ASHRAE 52.2 methods; virus testing used MS-2 in controlled lab studies.\u003c\/li\u003e\n  \u003cli\u003eMade in the USA by AprilAire, a longstanding IAQ manufacturer since 1954.\u003c\/li\u003e\n  \u003cli\u003ePartnered with lung health organizations to support cleaner indoor air initiatives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Homeowners and renters using an AprilAire whole-house air purifier who want certified, high-efficiency replacement filters sized 20x25x4, sold as a pack of four for convenient scheduled changes. It’s a practical choice for families with seasonal allergies, pet owners, or anyone aiming to maintain HVAC system performance with genuine AprilAire parts and the company’s service commitments.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these AprilAire 213 filters MERV 13?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The AprilAire 213 replacements are MERV 13-rated for high-efficiency particle capture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace an AprilAire 213 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace at least once every 12 months; change sooner in dusty homes or with heavy pollutant loads.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aprilaire","offers":[{"title":"Default Title","offer_id":54582795403603,"sku":"B00R3G53NI","price":342.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/applaire-213-frontal-empaque.jpg?v=1786648217"},{"product_id":"filtrete-filtro-de-aire-16x25x1-mpr-2800-merv-14-2-unidades-alta-eficiencia-y-captura-ultrafina","title":"Filtrete 16x25x1 Air Filter MERV 14 (MPR 2800) — 2-Pack High-Efficiency Pleated Filter for HVAC","description":"\u003cstrong\u003eFiltrete 16x25x1 MERV 14 (MPR 2800) air filters are high-performance pleated HVAC filters that capture ultrafine particles, allergens and many airborne contaminants while maintaining airflow for home heating and cooling systems.\u003c\/strong\u003e\n\n\u003cp\u003eThese Filtrete Premium Allergen \u0026amp; Ultrafine Particles filters are engineered to remove a wide range of microscopic and larger particles from household air without overly restricting airflow through your furnace or air conditioner. With Filtrete's proprietary 3-in-1 media, the filters balance filtration efficiency and service life so you can replace them on a predictable schedule and keep your system running efficiently.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve the air in my home?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 2800 (MERV 14 equivalent) media is designed to attract and retain tiny particles like smoke, respiratory droplets, bacteria-carrying particles and pollen. It traps a high percentage of submicron particles while also capturing larger household dust and pet dander.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTargets ultrafine particles (0.3–1.0 micron) with around 81% small-particle capture\u003c\/li\u003e\n  \u003cli\u003eCaptures pollen, lint, pet dander and household dust\u003c\/li\u003e\n  \u003cli\u003eCombines electrokinetic attraction and pleated surface area for better hold\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter work in my furnace or HVAC system?\u003c\/h3\u003e\n\u003cp\u003eFiltrete 1-inch pleated filters fit most residential furnaces, air handlers and HVAC return grilles that accept a 16x25x1 size. They are compatible with systems that recommend a higher-efficiency 1-inch disposable filter, but always verify your system manufacturer’s guidance for maximum MERV or pressure drop limits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard 16x25x1 size fits common return slots and housings\u003c\/li\u003e\n  \u003cli\u003eDesigned for 1-inch filter tracks in furnaces and central air systems\u003c\/li\u003e\n  \u003cli\u003eReplace every 90 days (or sooner for high-dust\/pet households) for best performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this filter affect HVAC performance and operating costs?\u003c\/h3\u003e\n\u003cp\u003eHigh-efficiency pleated filters like this model balance capture efficiency and airflow. While denser media captures more microsized particles, changing the filter at recommended intervals prevents excessive pressure drop that could strain the system and raise energy use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePleated design increases surface area to reduce restriction compared with flat media\u003c\/li\u003e\n  \u003cli\u003eRegular replacement preserves airflow and system efficiency\u003c\/li\u003e\n  \u003cli\u003eHelps avoid clogged filters that force the system to work harder and consume more energy\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat certifications and ratings does the Filtrete MPR 2800 have?\u003c\/h3\u003e\n\u003cp\u003eThis Filtrete filter carries an MPR (Microparticle Performance Rating) of 2800, which corresponds to a MERV 14-level performance for capturing a wide spectrum of particle sizes. It is also certified asthma \u0026amp; allergy friendly under the listed report, reflecting testing against standard protocols.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMPR 2800 indicating advanced microparticle capture\u003c\/li\u003e\n  \u003cli\u003eMERV 14 equivalent efficiency for small particles\u003c\/li\u003e\n  \u003cli\u003eCertified asthma \u0026amp; allergy friendly according to the referenced certification report\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners looking to reduce airborne allergens, fine particulates and common household debris will benefit from the Filtrete 16x25x1 MPR 2800 filters. They’re a good fit for people with pets, seasonal allergies, or anyone who wants a higher-efficiency disposable 1-inch filter that balances capture performance and system airflow. Choose the two-pack to keep a spare on hand and maintain scheduled changes every 90 days—or sooner in heavy-use environments.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace this Filtrete 16x25x1 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace 1-inch Filtrete filters every 90 days under normal conditions; change sooner if you have pets, smokers or high dust levels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is MPR 2800 the same as MERV 14?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MPR 2800 corresponds to performance near MERV 14 for capturing fine particles, but MPR and MERV are different rating systems.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54582848454995,"sku":"B00TUDHBWS","price":113.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-16x25x1-frontal-paquete.jpg?v=1786648263"},{"product_id":"filtrete-filtro-de-aire-20x25x1-merv-14-mpr-2800-2-unidades-plisado-electrostatico-90-dias","title":"Filtrete 20x25x1 Air Filter MERV 14 (MPR 2800) 2-Pack — 1\" Pleated Electrostatic, 3-Month Indoor Air Quality","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x25x1 MERV 14 (MPR 2800) is a high-efficiency pleated HVAC air filter sold as a 2-pack that captures a wide range of fine and large particles while allowing efficient airflow for three months of use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Filtrete filter from 3M uses proprietary 3-in-1 electrostatic pleated media to balance strong particle capture with airflow compatibility for furnaces and air conditioners. With an MPR 2800 rating (equivalent to MERV 14), this 1-inch filter targets microparticles like smoke and pet dander while also collecting larger debris such as lint and pollen. Each package contains two filters sized to the actual dimensions 19.69 x 24.69 x 0.81 inches and is intended for routine replacement about every 90 days for optimal system performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 2800 combines dense pleated fibers and electrostatic attraction to trap a high percentage of tiny airborne particles as air circulates through HVAC systems. It captures both submicron particles and larger particulates, reducing what circulates in home air over time without requiring oversized filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated MPR 2800 (MERV 14) for strong capture of ultrafine and fine particles.\u003c\/li\u003e\n  \u003cli\u003eDesigned to capture smoke, pollen, pet dander, lint and many airborne particulates.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic pleated media increases particle adherence while preserving airflow.\u003c\/li\u003e\n  \u003cli\u003eCertified asthma \u0026amp; allergy-friendly testing documented in ASCR: 1246-01.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my HVAC or furnace and how often should I replace it?\u003c\/h3\u003e\n\u003cp\u003eThe listed size (actual 19.69 x 24.69 x 0.81 inches) fits systems designed for 20x25x1 filters; always verify your unit’s recommended filter dimensions before installing. Filtrete recommends replacing 1-inch pleated filters at least every 90 days, though households with pets, smokers, or higher dust loads may require more frequent changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual filter size: 19.69 x 24.69 x 0.81 in — sold as a 2-pack.\u003c\/li\u003e\n  \u003cli\u003eUse in furnaces, air conditioners and compatible HVAC return slots sized for 20x25x1 filters.\u003c\/li\u003e\n  \u003cli\u003eStandard replacement interval: every 90 days for typical residential use.\u003c\/li\u003e\n  \u003cli\u003eCheck visually and replace sooner if visibly dirty or restricted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this filter compare to basic fiberglass or washable filters?\u003c\/h3\u003e\n\u003cp\u003eCompared with basic fiberglass or non-electrostatic washable filters, the Filtrete MPR 2800 offers substantially better capture of microscopic particles while still allowing efficient airflow through modern HVAC equipment. It outperforms low-efficiency media by using engineered pleats and electrostatic attraction for higher initial efficiency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOutperforms fiberglass and washable non-electrostatic filters in particle capture.\u003c\/li\u003e\n  \u003cli\u003eHigh initial-efficiency performance measured by ASHRAE 52.2 testing for 0.3–1 micron particles.\u003c\/li\u003e\n  \u003cli\u003ePleated design increases surface area for longer usable life between changes.\u003c\/li\u003e\n  \u003cli\u003eAvailable in a range of MPR and thickness options for different system needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this filter certified or tested for allergy concerns?\u003c\/h3\u003e\n\u003cp\u003eThis Filtrete product has been independently tested and is certified as asthma and allergy-friendly according to the referenced ASCR report. Test results also indicate strong capture rates for small particles commonly associated with allergy and respiratory triggers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCertified asthma \u0026amp; allergy-friendly per ASCR: 1246-01 documentation.\u003c\/li\u003e\n  \u003cli\u003eReports show up to 81% capture for 0.3–1 micron particles in ASHRAE testing conditions.\u003c\/li\u003e\n  \u003cli\u003eInitial lab testing demonstrates high efficiency for airborne virus-sized particles.\u003c\/li\u003e\n  \u003cli\u003eConsumer brand recognition and performance noted in nationwide studies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and renters seeking a high-efficiency, easy-to-install 1-inch HVAC filter that balances strong particle capture with routine HVAC compatibility. This 2-pack is well suited for households with pets, seasonal allergies, or anyone preferring a higher-efficiency replacement filter for their furnace or air conditioner. Choose this Filtrete MPR 2800 filter if you want robust particle reduction from a trusted 3M-designed brand with guidance to replace every 90 days under normal conditions.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What size is the Filtrete 20x25x1 filter exactly?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The actual filter measures 19.69 x 24.69 x 0.81 inches—fits systems specified for 20x25x1 filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change this Filtrete MPR 2800 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 90 days under normal conditions, sooner if you have pets, smokers, or heavy dust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54582869918035,"sku":"B00TUDHMDQ","price":120.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-2-pack.jpg?v=1786648286"},{"product_id":"filtrete-filtro-de-aire-20x20x1-mpr-2800-merv-14-pack-2-alta-captura-de-microparticulas","title":"Filtrete 20x20x1 Air Filter — MPR 2800 (MERV 14) 2-Pack, High-Efficiency Pleated HVAC Filter for Home","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x20x1 MPR 2800 (MERV 14) air filters are high-efficiency pleated HVAC filters designed to trap a wide range of microscopic and larger particles while keeping airflow steady.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese two 1-inch Filtrete filters from 3M use the brand’s three-in-one media to attract and capture ultrafine particles as well as everyday debris. With an MPR of 2800 and a MERV 14 equivalent, this 2-pack is intended for residential furnaces, air conditioners and HVAC systems and is recommended to be replaced about every 90 days for peak performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow effectively will this filter remove tiny particles?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 2800 filter targets very small particles, removing a high percentage of particles in the 0.3 to 1 micron range according to standard HVAC testing. It demonstrates strong initial efficiency against airborne virus-sized particles and common microscopic contaminants found in homes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh MPR 2800 rating for superior microparticle capture\u003c\/li\u003e\n  \u003cli\u003ePerformance measured by ASHRAE 52.2 standards for 0.3–1 micron particles\u003c\/li\u003e\n  \u003cli\u003eLab testing shows substantial capture of virus-sized airborne particles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter still allow proper airflow for my system?\u003c\/h3\u003e\n\u003cp\u003eFiltrete pleated filters are engineered to balance filtration and airflow so your HVAC can operate efficiently. The pleated 1-inch design increases surface area, helping maintain adequate airflow while trapping contaminants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePleated construction increases filtering surface without choking airflow\u003c\/li\u003e\n  \u003cli\u003eFor 1\" filters, manufacturer recommends changing every 90 days for optimal flow\u003c\/li\u003e\n  \u003cli\u003eOutperforms basic fiberglass and washable filters commonly used in homes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of particles and allergens does this filter capture?\u003c\/h3\u003e\n\u003cp\u003eThis Filtrete filter captures a broad range of particles from large to microscopic. It’s built to remove everyday dust, pollen and pet dander as well as smaller particles like smoke and many bacteria-sized aerosols.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoves household dust, lint and pollen\u003c\/li\u003e\n  \u003cli\u003eAttracts and captures pet dander and smoke\u003c\/li\u003e\n  \u003cli\u003eHigh capture rates for many bacteria- and virus-sized particles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace these filters and where can I use them?\u003c\/h3\u003e\n\u003cp\u003eFor 1-inch pleated filters, aim to replace them at least every three months for continued protection and system efficiency. These Filtrete filters are sized for standard residential HVAC registers, furnaces and air conditioning systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace at least every 90 days for 1\" filters under normal conditions\u003c\/li\u003e\n  \u003cli\u003eCompatible with most home furnaces, AC units and standard HVAC filter slots\u003c\/li\u003e\n  \u003cli\u003eAvailable in other MPR and thickness options for specific needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: homeowners and renters who want a higher-performance, easy-to-install 1-inch HVAC filter that reduces a wide spectrum of airborne particles while keeping their heating and cooling system running properly. It’s suitable for allergy-aware households, pet owners, and anyone seeking an upgrade from basic fiberglass or washable filters.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this Filtrete filter compatible with my 20x20x1 furnace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This Filtrete 20x20x1 MPR 2800 filter fits standard 20x20x1 furnace and HVAC filter slots.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change the 1-inch Filtrete filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace 1-inch Filtrete filters at least every 90 days for best performance; more often with pets or heavy dust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54582869950803,"sku":"B00TUDHVPU","price":116.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-20x20x1.jpg?v=1786648287"},{"product_id":"aprilaire-filtro-210-merv-11-20x25x4-pack-de-2-self-seal-12-meses-de-proteccion","title":"Aprilaire 210 MERV 11 Whole-House Air Filter 20x25x4 (Pack of 2) — High-Efficiency Dust \u0026 Allergen Capture","description":"\u003cp\u003e\u003cstrong\u003eThe AprilAire 210 Replacement Filter is a genuine MERV 11 whole-house air filter designed to capture common airborne particles and keep HVAC systems running efficiently.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you want a straightforward way to reduce dust, pollen, pet dander and other everyday contaminants in your home, the AprilAire 210 is made for central air systems and AprilAire whole-house purifiers. Engineered in the USA to AprilAire specifications, this 20x25x4 filter combines a high-efficiency media with AprilAire’s Self-Seal technology so air flows through the filter media instead of around it. The result is stronger particle capture, longer filter life versus standard filters, and predictable maintenance: change annually for best performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the AprilAire 210 improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThis MERV 11 filter removes a high percentage of common household particulates — including dust, pollen, mold spores and pet dander — that circulate through the return air. Its filtration media targets particles in a size range that typically aggravates allergy symptoms and settles on surfaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures up to 96% of dust, pollen and common allergens.\u003c\/li\u003e\n  \u003cli\u003eTargets particles roughly 0.3–1.0 μm in size where many allergens reside.\u003c\/li\u003e\n  \u003cli\u003eReduces airborne loads so surfaces stay cleaner longer.\u003c\/li\u003e\n  \u003cli\u003eWorks as part of the AprilAire Healthy Air System for balanced performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my AprilAire whole-house purifier and HVAC system?\u003c\/h3\u003e\n\u003cp\u003eThe AprilAire 210 is manufactured to exact AprilAire dimensions (20 x 25 x 4) and includes the brand’s Self-Seal frame for a secure, airtight fit. It is intended for compatible AprilAire whole-house air purifiers and standard central HVAC return openings sized for that dimension.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned specifically for AprilAire purifier models that accept 20x25x4 filters.\u003c\/li\u003e\n  \u003cli\u003eSelf-Seal frame minimizes bypass at the filter edge for better efficiency.\u003c\/li\u003e\n  \u003cli\u003eCheck your unit’s manual or existing filter size before purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the AprilAire 210 filter?\u003c\/h3\u003e\n\u003cp\u003eUnder normal household conditions, AprilAire recommends replacing the 210 filter once every 12 months to maintain peak filtration and airflow. Homes with heavy pet hair, smokers, or high pollution may need more frequent changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard recommendation: replace annually.\u003c\/li\u003e\n  \u003cli\u003eHigh particulate environments: consider checking and replacing sooner.\u003c\/li\u003e\n  \u003cli\u003eUse the Healthy Air App to schedule reminders and track replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the long-term benefits and support for using genuine AprilAire filters?\u003c\/h3\u003e\n\u003cp\u003eChoosing original AprilAire filters helps protect your HVAC equipment and preserves system performance. AprilAire backs the Healthy Air System with a 10-year Clean-Coil Commitment and emphasizes fabricated-to-spec construction and energy-aware lifespan.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered for extended life — tested to last up to twice as long as some alternatives.\u003c\/li\u003e\n  \u003cli\u003e10-year Clean-Coil Commitment offers partial support for first-time coil cleaning under specified conditions.\u003c\/li\u003e\n  \u003cli\u003eManufactured in the USA by AprilAire, a longstanding indoor air quality brand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The AprilAire 210 is aimed at homeowners and renters who use an AprilAire whole-house purifier or have a central HVAC return sized for 20x25x4 filters, and who want an easy, reliable way to reduce household dust and allergens without frequent filter swaps. It’s a practical choice for families, pet owners, and allergy-sensitive households seeking a balance of filtration efficiency, filter life, and system protection.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the AprilAire 210 filter MERV 11?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the AprilAire 210 is rated MERV 11 and captures a high percentage of common household particles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the AprilAire 210 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace the AprilAire 210 at least once every 12 months; check sooner in homes with pets or heavy dust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aprilaire","offers":[{"title":"Default Title","offer_id":54582893281619,"sku":"B00UOXM6PU","price":192.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/applaire-210-frontal-empaque.jpg?v=1786648338"},{"product_id":"aprilaire-filtro-de-reemplazo-213-merv-13-20x25x4-pack-de-2-whole-house-self-seal™-y-vida-util-anual","title":"Aprilaire 213 Replacement Whole-House Air Filter 20x25x4 (Pack of 2) — MERV 13 Self-Seal for Allergy \u0026 HVAC Protection","description":"\u003cp\u003e\u003cstrong\u003eThe AprilAire 213 is a genuine MERV 13 whole-house replacement filter engineered to trap common allergens and fine particles while fitting precisely into AprilAire air purifiers.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned and manufactured in the USA by AprilAire, the 213 replacement filter uses the brand’s Self-Seal™ design to create an airtight fit and reduce bypass around the media. This high-performance MERV 13 filter captures a wide range of airborne particles—pollen, mold spores, pet dander, dust, dust mite debris, and many fine particulates—to help lower in-home contaminants and reduce cleaning frequency. AprilAire pairs this filtration with a 10-year Clean-Coil Commitment to help protect your HVAC coil with proper maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eHow effective is the AprilAire 213 at removing allergens and fine particles?\u003c\/h3\u003e\n\u003cp\u003eThe AprilAire 213 meets MERV 13 performance standards and is independently verified to remove a high percentage of common allergens and virus-sized particles in controlled testing. It captures up to 97% of typical allergens and shows strong performance versus submicron particles, improving indoor air quality when installed and replaced per guidelines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 13-rated media captures particles down to the 0.3–1.0 μm range.\u003c\/li\u003e\n  \u003cli\u003eIndependent lab testing confirms improved removal of harmful particles versus minimum MERV 13.\u003c\/li\u003e\n  \u003cli\u003eDesigned to remove pollen, pet dander, mold spores, dust, and many fine particulates.\u003c\/li\u003e\n  \u003cli\u003ePack of two filters for easy scheduled replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will a 213 filter last and how often should I replace it?\u003c\/h3\u003e\n\u003cp\u003eThe AprilAire 213 is built for long life and low maintenance under typical residential conditions. AprilAire recommends changing the 213 at least once a year to keep your whole-house purifier operating optimally and to preserve HVAC system performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated for up to 12 months of typical service life.\u003c\/li\u003e\n  \u003cli\u003eLonger media life reduces frequency of replacements and operating strain.\u003c\/li\u003e\n  \u003cli\u003eAnnual swap helps maintain filtration efficiency and system protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my AprilAire air purifier and protect my HVAC coil?\u003c\/h3\u003e\n\u003cp\u003eThe 213 is a genuine AprilAire replacement made to the brand’s exact specifications for a sealed fit in compatible AprilAire whole-house purifiers. Using official filters supports the manufacturer’s stated Clean-Coil Commitment, which helps cover a portion of coil cleaning costs under specific conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered for an airtight Self-Seal™ fit in AprilAire purifiers.\u003c\/li\u003e\n  \u003cli\u003eUsing genuine filters maintains designed airflow and protection levels.\u003c\/li\u003e\n  \u003cli\u003eAprilAire offers a 10-year Clean-Coil Commitment with qualifying installation and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDoes the AprilAire 213 affect energy use or HVAC performance?\u003c\/h3\u003e\n\u003cp\u003eThe 213 is designed to balance strong filtration with energy-conscious operation; its media and construction aim to last longer so you replace it less often and avoid excess strain on the system. Proper installation and timely replacement help maintain system efficiency and consistent airflow.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered media for extended life compared to lower-rated filters.\u003c\/li\u003e\n  \u003cli\u003eFewer replacements mean less waste and lower lifetime cost.\u003c\/li\u003e\n  \u003cli\u003eCorrect fit reduces bypass and helps keep HVAC components cleaner.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners with AprilAire whole-house air purifiers who want a certified, high-efficiency MERV 13 replacement filter that fits precisely, lasts up to a year under normal conditions, and supports AprilAire’s system protection policies. The pack-of-two format is convenient for scheduled upkeep and ensures you have a fresh filter ready when it’s time to replace the installed unit.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the AprilAire 213 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace the AprilAire 213 at least once every 12 months under normal residential conditions to maintain peak performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the 213 filter fit my AprilAire whole-house purifier?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the AprilAire 213 is a genuine replacement made to AprilAire specifications for a sealed fit in compatible units.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aprilaire","offers":[{"title":"Default Title","offer_id":54582893510995,"sku":"B00UOXMCBI","price":184.07,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/aprilaire-213-frontal-empaque_2130fd73-e088-4260-8a07-9243e3f278df.jpg?v=1786648342"},{"product_id":"aerostar-filtro-de-aire-20x25x1-merv-13-paquete-de-6-plisado-electrostatico-para-hvac","title":"Aerostar MERV 13 Pleated Air Filter 20x25x1 - 6 Pack, High-Efficiency HVAC Furnace Filters","description":"\u003cp\u003e\u003cstrong\u003eAerostar 20x25x1 MERV 13 pleated air filters (6 pack) are high-efficiency HVAC filters that capture fine particles down to 0.3 microns while fitting standard 1\" filter slots.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Aerostar filters are engineered to upgrade your home's air cleaning without complicated installation. Each pleated filter (actual dimensions 19.75\" x 24.75\" x 0.75\") uses an electrostatically charged synthetic media to attract and hold dust, pollen, pet dander, smoke and many microscopic particles. Rated MERV 13 (comparable to MPR 1500–1900 and FPR 10), the set of six gives you multiple months of protection and helps reduce dirt buildup inside HVAC equipment.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these filters improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eBy combining dense pleated media with an electrostatic charge, the Aerostar MERV 13 filter captures a higher percentage of small particles than standard fiberglass filters. That reduces airborne particulates circulating through ductwork and living spaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCatches particles from 0.3 to 1.0 microns for finer filtration.\u003c\/li\u003e\n  \u003cli\u003eReduces dust and visible debris in vents and rooms.\u003c\/li\u003e\n  \u003cli\u003eHelps lower particle load inside HVAC components for cleaner airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my furnace or AC unit?\u003c\/h3\u003e\n\u003cp\u003eThese Aerostar filters are designed for universal compatibility with standard 1-inch filter slots found in most residential and many commercial systems. The nominal listing is 20x25x1; actual size is 19.75\" x 24.75\" x 0.75\" to ensure a proper fit in common housings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with many major brands such as Carrier, Bryant, Payne and Honeywell.\u003c\/li\u003e\n  \u003cli\u003eStandard 1\" frame fits typical return grilles and furnace filter racks.\u003c\/li\u003e\n  \u003cli\u003eActual dimensions slightly under nominal size for easy insertion and a snug seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace these filters and what maintenance helps?\u003c\/h3\u003e\n\u003cp\u003eFilter life depends on usage, season, and home conditions. For typical households, plan on replacing Aerostar MERV 13 filters every 60–90 days; increase frequency to roughly every 30 days during heavy-use seasons when HVAC systems run longer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChange every 60–90 days for average use; every 30 days in peak summer\/winter.\u003c\/li\u003e\n  \u003cli\u003eInspect monthly if you have pets, smokers, or high dust loads.\u003c\/li\u003e\n  \u003cli\u003eReplacing promptly reduces strain on the blower and helps maintain efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does MERV 13 mean for performance and HVAC impact?\u003c\/h3\u003e\n\u003cp\u003eMERV 13 indicates strong filtration effectiveness against smaller airborne particles while balancing airflow. These Aerostar pleats are engineered to trap fine particulates without unduly restricting system airflow when used in compatible systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-efficiency capture of fine dust, pollen, pet dander and smoke particles.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic charge enhances particle attraction without dense restrictive layers.\u003c\/li\u003e\n  \u003cli\u003eRecommended for homes seeking elevated filtration with standard HVAC compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Aerostar 20x25x1 MERV 13 6-pack is aimed at homeowners and small-business operators wanting an easy upgrade from basic fiberglass filters — especially those with allergies, pets, or urban environments with more fine particulate matter. It’s also a practical choice for anyone looking to protect HVAC components from dust build-up and maintain efficient system operation while keeping replacement simple and affordable.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these Aerostar filters compatible with my 1-inch HVAC slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The filters are made for standard 1-inch slots; actual size is 19.75\" x 24.75\" x 0.75\" for a proper fit in most residential systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does one Aerostar MERV 13 filter last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically 60–90 days for normal use; replace about every 30 days in peak summer or winter or if you have pets or heavy dust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aerostar","offers":[{"title":"Default Title","offer_id":54583167123795,"sku":"B01CR9JLDI","price":126.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/aerostar-frontal-empaque-filtros.jpg?v=1786648654"},{"product_id":"filtrete-filtro-de-aire-20x25x4-merv-11-mpr-1000-paquete-de-4-4-de-profundidad-captura-microparticulas","title":"Filtrete 20x25x4 Air Filter MERV 11 (MPR 1000) 4-Pack — 4-inch HVAC, 12-Month Micro Allergen Defense","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x25x4 MPR 1000 is a 4-inch, 12-month HVAC filter pack with MERV 11 \/ MPR 1000 rating designed to trap microparticles like pet dander, smoke and pollen while allowing efficient airflow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis four-pack of Filtrete air filters (exact size 19.88 x 24.63 x 4.31 inches) brings Filtrete’s 3-in-1 filtration technology to your home heating and cooling system. Built by 3M, these filters combine mechanical and electrostatic media to capture both large and small particles and fit furnaces, air conditioners and HVAC housings that accept 4-inch filters. They are intended for annual replacement and include features like compatibility with the Filtrete Smart App for change reminders and certification for asthma and allergy-friendly standards.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve the air in my home?\u003c\/h3\u003e\n\u003cp\u003eThe filter uses a layered media design to intercept a wide size range of particles as air circulates through your HVAC system. Its MPR 1000 (MERV 11 equivalent) efficiency increases capture of fine particles while maintaining airflow, helping the system run as intended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures microparticles such as pet dander, smoke and smog.\u003c\/li\u003e\n  \u003cli\u003eAlso traps larger debris: lint, pollen, mold spores and household dust.\u003c\/li\u003e\n  \u003cli\u003eFiltrete 3-in-1 media combines mechanical filtration with electrostatic attraction.\u003c\/li\u003e\n  \u003cli\u003eRated to balance filtration efficiency with system airflow for typical residential systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my HVAC system and how do I choose the right size?\u003c\/h3\u003e\n\u003cp\u003eThis product is a four-pack of 4-inch filters with precise measured dimensions of 19.88 x 24.63 x 4.31 inches, designed for systems calling for a 4-inch thickness or larger. It also lists compatibility with certain media air cleaners and can be used in most furnaces and air conditioners that accept 4\" filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact dimensions provided to prevent size mismatch with housings.\u003c\/li\u003e\n  \u003cli\u003eDesigned to fit Honeywell and Space-Gard style media air cleaners.\u003c\/li\u003e\n  \u003cli\u003eCheck your unit’s required filter thickness; this fits 4.31\" openings and larger.\u003c\/li\u003e\n  \u003cli\u003eFour filters included for a year of recommended service with annual changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change the Filtrete 20x25x4 MPR 1000 filters?\u003c\/h3\u003e\n\u003cp\u003eThese 4-inch filters are intended for up to 12 months of use in typical residential settings, but replacement frequency depends on household conditions. Homes with pets, smokers, high dust loads or allergy concerns may need more frequent changes to maintain performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard recommendation: replace every 12 months under normal conditions.\u003c\/li\u003e\n  \u003cli\u003eReplace sooner in homes with pets, smokers, or heavy dust exposure.\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App to schedule 90-, 180- or 365-day reminders.\u003c\/li\u003e\n  \u003cli\u003eInspect visually: dark, clogged filters indicate earlier replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat certifications and performance metrics should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe filters are rated MPR 1000 (comparable to MERV 11) and certified as asthma and allergy-friendly, reflecting third-party evaluation of particle capture and suitability for sensitive environments. Performance percentages reference standard industry testing methods for small particle capture.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMPR 1000 rating targets fine particle capture including 0.3–1 micron sizes.\u003c\/li\u003e\n  \u003cli\u003eMERV 11-level performance for residential HVAC filtration balance.\u003c\/li\u003e\n  \u003cli\u003eCertified asthma and allergy-friendly designation for household suitability.\u003c\/li\u003e\n  \u003cli\u003eManufactured by 3M and positioned as a trusted North American HVAC filter brand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and renters who want a high-efficiency, yearly-replacement HVAC filter that balances strong particle capture with system airflow. This Filtrete 20x25x4 MPR 1000 4-pack suits households with pets, seasonal allergies, city or wildfire smoke exposure, or anyone aiming for improved indoor air quality without monthly filter swaps. It's also suitable for systems and media housings that require a true 4-inch filter size.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is MPR 1000 the same as MERV 11?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MPR 1000 corresponds closely to MERV 11 performance for many particle sizes; MPR is Filtrete’s proprietary metric focusing on fine particle capture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace this 4-inch filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace the filter about every 12 months in typical homes, sooner if you have pets, heavy dust, smoke exposure, or allergy concerns.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54583274176851,"sku":"B01MU27I27","price":355.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-4-pack_ac67f017-01c0-4aef-a7d5-98be558eda50.jpg?v=1786648993"},{"product_id":"filtrete-filtro-de-aire-16x25x4-merv-11-mpr-1000-4-unidades-plisado-electrostatico-12-meses","title":"Filtrete 16x25x4 Air Filter MERV 11 (MPR 1000) 4-Pack — Pleated Electrostatic, 12-Month Life","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 16x25x4 MPR 1000 (MERV 11) air filters are pleated electrostatic HVAC filters designed to trap a wide range of household particles while allowing efficient airflow for year-round heating and cooling.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis four-pack of Filtrete 16 x 25 x 4 filters (actual dimensions 15.88 x 24.56 x 4.31 inches) uses Filtrete’s 3-in-1 technology to attract and hold particles ranging from large dust and pollen to many finer airborne contaminants. With an MPR 1000 and a MERV 11 rating, these 4-inch filters are intended for residential furnaces, air conditioners and media air cleaners by brands such as Lennox and Honeywell. They’re engineered for up to 12 months of service per filter under typical household conditions and are a practical option for maintaining airflow while reducing the dust and debris that circulate in living spaces.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter manage airflow while trapping particles?\u003c\/h3\u003e\n\u003cp\u003eFiltrete’s pleated electrostatic design balances filtration efficiency with low resistance to airflow. The pleat depth and media surface area give the filter more capacity to collect particles without overly restricting your HVAC fan. That design helps your system maintain heating and cooling performance while removing a variety of contaminants from recirculated air.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3-in-1 electrostatic media attracts and captures particles.\u003c\/li\u003e\n  \u003cli\u003ePleated, deep-bed construction increases dust-holding capacity.\u003c\/li\u003e\n  \u003cli\u003e4-inch thickness provides greater surface area than standard 1\" filters.\u003c\/li\u003e\n  \u003cli\u003eEngineered for minimal impact on typical residential airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of particles will the MPR 1000 \/ MERV 11 rating capture?\u003c\/h3\u003e\n\u003cp\u003eThe MPR 1000 rating indicates improved capture of microparticles compared with lower MPR levels, while MERV 11 reflects performance in the medium-efficiency range for residential filters. These filters are effective at intercepting larger particles like pollen, lint and mold spores and can capture many finer particles, such as some pet dander, smoke and fine dust, as air passes through your system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures common allergens: pollen, dust mite debris, mold spores.\u003c\/li\u003e\n  \u003cli\u003eHelps reduce household dust and visible lint accumulation.\u003c\/li\u003e\n  \u003cli\u003eAttracts many smaller airborne particles including some smoke and pet dander.\u003c\/li\u003e\n  \u003cli\u003eNot intended as medical-grade or HEPA replacement for ultra-fine particles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know this will fit my HVAC system and how often should I change it?\u003c\/h3\u003e\n\u003cp\u003eThis Filtrete filter is made to fit systems specifying a 4-inch filter depth; the actual dimensions are provided to ensure correct sizing. It’s compatible with many Lennox and Honeywell media air cleaner housings and standard residential filter slots that accept thicker replacement media. For ordinary household use, Filtrete recommends replacing the filter at least once every 12 months, though homes with pets, smokers, or higher dust loads may benefit from more frequent changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual size: 15.88 x 24.56 x 4.31 inches — check your unit’s clearance.\u003c\/li\u003e\n  \u003cli\u003eDesigned for Honeywell and Lennox brand media air cleaners and similar housings.\u003c\/li\u003e\n  \u003cli\u003eRecommended change interval: every 12 months under typical conditions.\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App to set 90-, 180- or 365-day reminders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there certifications or features that matter for allergies and ease of use?\u003c\/h3\u003e\n\u003cp\u003eFiltrete lists this product as certified asthma and allergy-friendly, and the higher MPR number emphasizes capture of many microparticles that commonly trigger household allergy symptoms. The pack includes four filters for easier annual replacement cycles, and the brand backing and app reminders add convenience for ongoing maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCertified as asthma and allergy-friendly by relevant programs.\u003c\/li\u003e\n  \u003cli\u003ePack of four supports routine annual replacement schedules.\u003c\/li\u003e\n  \u003cli\u003eSmart App compatibility for filter-change reminders.\u003c\/li\u003e\n  \u003cli\u003eFiltrete brand recognized across North America for residential HVAC filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Filtrete 16x25x4 MPR 1000 (MERV 11) 4-pack is suited to homeowners and renters who need a thicker, higher-capacity filter for routine residential HVAC use—especially households with seasonal allergies, pets, or visible dust buildup. It’s a practical choice when you want better-than-basic filtration without switching to specialized medical-grade solutions, and when you have a system compatible with 4-inch filter media and seek year-long performance with scheduled replacements.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this filter fit Lennox and Honeywell systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this 4-inch Filtrete filter fits many Lennox and Honeywell media air cleaners and other housings that accept 4.31\" thickness; confirm with your unit’s dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace each Filtrete 4-inch filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Filtrete recommends replacing the filter at least once every 12 months; homes with pets or heavy dust may need more frequent changes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54583275094355,"sku":"B01N5GYRTF","price":257.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frente-empaque.jpg?v=1786649028"},{"product_id":"honeywell-home-filtro-de-media-20-x-20-x-4-para-horno-mayor-captura-de-polvo-y-polen","title":"Honeywell Home 20 x 20 x 4 Furnace Filter — FC100A1011 Pleated Media, Long-Life Filtration","description":"\u003cp\u003e\u003cstrong\u003eHoneywell Home FC100A1011 is a 20 x 20 x 4 replacement media furnace filter designed to capture both fine and larger airborne particles while lasting far longer than a standard one-inch filter.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis pleated media filter fits common 20 x 20 x 4 HVAC housings and is built to trap microscopic contaminants such as dust and smoke along with larger irritants like pet dander and mold spores. Compared with a typical one-inch filter, Honeywell Home engineered this thicker media filter to provide improved particle capture and extended service life, so you can replace the filter less frequently without sacrificing airflow or performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell Home FC100A1011 uses multi-layer pleated media to increase the surface area available to capture particles. That design boosts its ability to remove both tiny and larger airborne debris from circulating air, reducing the number of particles that pass through your furnace or air handler.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThicker 4-inch media traps a wider range of particle sizes\u003c\/li\u003e\n  \u003cli\u003eMulti-pleat construction increases dust-holding capacity\u003c\/li\u003e\n  \u003cli\u003eDesigned for common residential HVAC systems with 20 x 20 x 4 slots\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the Honeywell FC100A1011?\u003c\/h3\u003e\n\u003cp\u003eBecause this replacement media filter holds more contaminant volume than a standard one-inch filter, it can run longer between changes. Typical replacement intervals range from about six to twelve months depending on household conditions, occupancy, and local air quality.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace every 6–12 months under normal conditions\u003c\/li\u003e\n  \u003cli\u003eCheck sooner if you have pets, smokers, or heavy dust\u003c\/li\u003e\n  \u003cli\u003eInspect visually for excessive dirt or airflow reduction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter affect my HVAC airflow or system compatibility?\u003c\/h3\u003e\n\u003cp\u003eThe FC100A1011 is designed to balance filtration and airflow: the thicker media provides higher dust capacity while maintaining acceptable resistance for most residential systems. Always confirm your furnace or air handler supports a 4-inch media filter and follow manufacturer recommendations for filter type and maximum static pressure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntended for furnaces and air handlers that accept 20 x 20 x 4 filters\u003c\/li\u003e\n  \u003cli\u003eEngineered to deliver higher capture without excessive pressure drop\u003c\/li\u003e\n  \u003cli\u003eCheck system specifications if you use older or high-efficiency equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical benefits will I notice after installing it?\u003c\/h3\u003e\n\u003cp\u003eInstalling the Honeywell Home FC100A1011 typically reduces visible dust buildup and lowers the load on downstream components by keeping coils and ducts cleaner. With fewer filter changes required, you also save time and reduce filter waste compared with frequently replaced one-inch filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLess frequent filter replacement—fewer interruptions to your HVAC routine\u003c\/li\u003e\n  \u003cli\u003eCleaner blower and duct surfaces over time, which supports efficient operation\u003c\/li\u003e\n  \u003cli\u003eReduced dust settling on furniture and household surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Honeywell Home FC100A1011 is aimed at homeowners and renters with furnaces or air handlers that accept 20 x 20 x 4 filters who want stronger particle capture and longer replacement intervals. It suits households with pets, mild allergy concerns, or anyone seeking a balance of durable filtration and convenient maintenance without altering their existing HVAC equipment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eProduct package dimensions:\u003c\/em\u003e weight ~1.4 lb; length and width ~20 inches; height ~4.6 inches.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this filter compatible with standard 20x20x4 housings?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The FC100A1011 is sized for standard 20 x 20 x 4 filter slots used in many residential furnaces and air handlers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long will this filter usually last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under typical conditions expect 6–12 months of use; households with pets or heavy dust may need earlier replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":54583287677267,"sku":"B007BL2CLG","price":94.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/honeywellhome-filtro-front-packaging.jpg?v=1786649423"},{"product_id":"aprilaire-filtro-de-reemplazo-110-merv-11-4-healthy-air-para-purificador-1110-12-meses-de-vida-util","title":"Aprilaire 110 Air Filter MERV 11 16x20x4 in — Genuine Replacement for Model 1110, 12‑Month Life","description":"\u003cp\u003e\u003cstrong\u003eAprilAire 110 is a genuine MERV 11 whole-home replacement filter engineered to capture pollen, dust, pet dander, mold spores and other airborne particles while fitting AprilAire model 1110 systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you notice more dust settling on furniture, or want to reduce airborne allergens circulating through your HVAC, this AprilAire 110 Healthy Air 11 filter offers larger media area and engineered sealing to improve particle capture without choking your system. Designed and manufactured in the USA, it’s built to work seamlessly with AprilAire air cleaners so you get dependable performance and fewer filter changes over the year.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter reduce dust and airborne allergens?\u003c\/h3\u003e\n\u003cp\u003eThe AprilAire 110 uses MERV 11-rated media to trap a broad range of particles as household air passes through the filter, reducing what settles on floors and surfaces. Its thicker 4-inch design provides more filtering surface than common 1-inch filters, increasing capacity and efficiency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 11 captures pollen, pet dander, mold spores, and larger bacterial particles\u003c\/li\u003e\n  \u003cli\u003e22.2 sq ft of filtering media for higher dust-holding capacity\u003c\/li\u003e\n  \u003cli\u003e4-inch depth extends service life up to 12 months under typical residential use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my AprilAire system and is it easy to replace?\u003c\/h3\u003e\n\u003cp\u003eThis is a genuine AprilAire replacement specifically sized for AprilAire air cleaner model 1110 and uses the brand’s interlock rail system for straightforward swapping. The filter arrives ready to install—no assembly, reinforcements, or special tools required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal size: 16 x 20 x 4 inches to match AprilAire filter listing\u003c\/li\u003e\n  \u003cli\u003ePatented Interlock Rail System: slide in and close—simple three-step replacement\u003c\/li\u003e\n  \u003cli\u003eIllustrated packaging includes step-by-step replacement instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the filter protect my HVAC and energy efficiency?\u003c\/h3\u003e\n\u003cp\u003eThe AprilAire 110 limits particle buildup inside your ductwork and on heat exchangers, which helps systems run more efficiently and may reduce maintenance frequency. Low initial resistance and high dust capacity support steady airflow while capturing contaminants before they reach sensitive components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSelf-Seal Technology prevents bypass so air goes through the media, not around it\u003c\/li\u003e\n  \u003cli\u003eLower dust accumulation inside equipment helps sustain system efficiency\u003c\/li\u003e\n  \u003cli\u003eUp to 12 months of life reduces replacement visits versus 1–3 month filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance standards and commitments back this product?\u003c\/h3\u003e\n\u003cp\u003ePerformance was evaluated to industry ASHRAE 52.2 testing standards and reported as MERV 11, a recognized measurement of filtration efficiency. AprilAire supports product reliability with the Pure Fit Promise and the Clean Coil Commitment, and partners with the American Lung Association on indoor air quality initiatives.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePerformance tested to ASHRAE 52.2 — minimum efficiency reporting value: MERV 11\u003c\/li\u003e\n  \u003cli\u003ePure Fit Promise ensures proper fit for AprilAire equipment\u003c\/li\u003e\n  \u003cli\u003eMade in the USA and supported by AprilAire product guidance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners who use an AprilAire model 1110 whole-home air cleaner and want a longer-life, higher-capacity filter to reduce household dust, allergens, and particulate exposure while protecting HVAC components will benefit most from the AprilAire 110. It’s suited to families with pets, seasonal allergy sufferers, or anyone seeking fewer filter changes and reliable, tested filtration in a plug-and-play replacement format.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the AprilAire 110 compatible with model 1110?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This genuine AprilAire 110 replacement is designed to fit AprilAire Air Cleaner model 1110 using the interlock rail system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the MERV 11 AprilAire 110 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under typical residential conditions the 4-inch AprilAire 110 can last up to 12 months; check more frequently in high-dust or high-allergen environments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aprilaire","offers":[{"title":"Default Title","offer_id":54583297737043,"sku":"B0BL5H7HHK","price":92.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/applaire-filtro-frontal-empaque.jpg?v=1786649467"},{"product_id":"filtrete-filtro-de-horno-20x25x5-mpr-700-merv-8-2-pack-plisado-5-para-polvo-polen-y-caspa","title":"Filtrete Furnace \u0026 AC Pleated Air Filter 20x25x5 (2-Pack) MPR 700 MERV 8 — 5\" Media, Dust \u0026 Pet Dander Reduction","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x25x5 MPR 700 (actual 19.56 x 24.13 x 4.75 in) is a pleated furnace and AC filter rated MERV 8 that helps reduce dust, pollen and pet dander while fitting media housings like Trion Air Bear and Carrier.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEngineered by 3M, this Filtrete home air filter uses the brand’s 3-in-1 media to trap common household particles while allowing efficient airflow in HVAC systems. With an MPR 700 and MERV 8 classification, it balances particle capture and system performance for year-round residential use. The filter comes as a two-pack designed to last up to 12 months per filter when installed in compatible 4.75\"-thickness or larger housings.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve everyday indoor air?\u003c\/h3\u003e\n\n\u003cp\u003eThis Filtrete filter captures a broad range of larger airborne particles that circulate through your heating and cooling system. It helps reduce visible dust and common irritants that settle on surfaces or trigger seasonal sensitivities.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRemoves pollen, pet dander and household dust from returned air.\u003c\/li\u003e\n  \u003cli\u003eCaptures lint, dust mite debris and some mold spores.\u003c\/li\u003e\n  \u003cli\u003eDesigned for continuous use in residential HVAC, furnace or central AC systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it fit my Trion Air Bear, Carrier or Bryant media housing?\u003c\/h3\u003e\n\n\u003cp\u003eYes — this product is sized for housings that accept approximately 5-inch thick filters and lists compatibility with Trion Air Bear, Carrier, Bryant and Totaline media air cleaners. Note the actual filter dimensions (19.56 x 24.13 x 4.75 inches) differ slightly from the nominal size, so verify your housing clearance before ordering.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eActual size: 19.56 x 24.13 x 4.75 in — confirm fitment.\u003c\/li\u003e\n  \u003cli\u003eWorks with media-style housings for 4.75\" or larger filters.\u003c\/li\u003e\n  \u003cli\u003eSold as a 2-pack for easier yearly replacement planning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change the Filtrete MPR 700 filter?\u003c\/h3\u003e\n\n\u003cp\u003eFiltrete recommends replacing this pleated 5-inch filter at least once every 12 months under typical residential conditions. Your household environment, pet ownership, or local air quality may require more frequent changes to maintain airflow and capture performance.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eStandard guideline: replace at least every 12 months.\u003c\/li\u003e\n  \u003cli\u003eHigh-dust or pet homes: consider replacing more frequently.\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App to set 90-, 180- or 365-day reminders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance can I expect from MPR 700 \/ MERV 8?\u003c\/h3\u003e\n\n\u003cp\u003eThe MPR 700 \/ MERV 8 rating indicates good efficiency at trapping larger airborne particles while maintaining airflow suitable for most residential HVAC systems. It’s optimized to reduce visible dust and common allergens without imposing the pressure drop of higher-rated filters.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCaptures a high proportion of larger particles like pollen and pet dander.\u003c\/li\u003e\n  \u003cli\u003eBalanced airflow to protect HVAC function and efficiency.\u003c\/li\u003e\n  \u003cli\u003eThird-party verified recycled content for reduced environmental impact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Filtrete 20x25x5 MPR 700 filter suits homeowners who want reliable reduction of dust, pollen and pet dander in their living spaces while preserving HVAC airflow. It’s a practical choice for families with pets, allergy-prone occupants, or anyone using media housings from brands like Trion, Carrier or Bryant who need a yearly, easy-to-replace filtration solution.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this filter compatible with Carrier and Bryant media housings?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The filter fits Trion Air Bear, Carrier, Bryant and Totaline media housings that accept approximately 4.75-inch-thick filters. Confirm actual casing clearance against 19.56 x 24.13 x 4.75 inches.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does each Filtrete MPR 700 filter last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each pleated filter is designed for up to 12 months of typical residential use, though households with pets or heavy dust may need to replace it more often.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54583364813139,"sku":"B0B1P15PTY","price":186.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-20x25x5.jpg?v=1786650828"},{"product_id":"nordic-pure-filtros-pleados-16x25x4-15-5x24-5x3-63-merv-12-pack-de-2-media-electrostatica-y-marco-resistente","title":"Nordic Pure 16x25x4 MERV 12 Pleated HVAC Air Filters — Actual 15.5×24.5×3.63, 2-Pack, Electrostatic","description":"\u003cstrong\u003eNordic Pure 16x25x4 MERV 12 pleated air filters are high-efficiency replacement HVAC filters (actual size 15.5 x 24.5 x 3.63 inches) designed to capture fine particles and protect your system.\u003c\/strong\u003e\n\n\u003cp\u003eThese two-pack pleated furnace filters use electrostatically charged synthetic media and a reinforced frame to trap a wide range of airborne particles while helping your heating and cooling equipment work efficiently. Built with a heavy-duty, moisture-resistant beverage-board frame and a bonded metal mesh support, the filters combine structural durability with filtration performance comparable to MPR 1500–1900. Because nominal size labels often differ from actual dimensions, the exact measurements are included so you can confirm a correct fit before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these filters improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe MERV 12 rating indicates strong performance against small particulates, including fine dust, pollen, smoke, and many airborne biological materials down to about 0.3 microns. Electrostatic media attracts and holds particles, reducing the concentration of irritants circulating in your home without adding chemicals to the air. Regular replacement helps maintain that cleaner airflow over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures particles as small as 0.3 microns\u003c\/li\u003e\n  \u003cli\u003eElectrostatically charged synthetic media for stronger particle attraction\u003c\/li\u003e\n  \u003cli\u003eReduces dust, pollen, smoke particles, and some airborne spores\u003c\/li\u003e\n  \u003cli\u003eMedia resists bacterial and mold growth without anti-microbial additives\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters fit my HVAC unit and how should I measure?\u003c\/h3\u003e\n\u003cp\u003eAlways measure your existing filter because many manufacturers list a nominal size that differs from the filter's actual dimensions. Nordic Pure lists the actual size as 15.5 x 24.5 x 3.63 inches so you can compare and pick the correct replacement. If your system uses a slightly different actual depth—like a 4 3\/8\" measurement—choose the corresponding variant rather than this 4\" pack.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal size: 16 x 25 x 4\u003c\/li\u003e\n  \u003cli\u003eActual size: 15.5 x 24.5 x 3.63 (measure to confirm)\u003c\/li\u003e\n  \u003cli\u003eNot suitable if your current filter measures 4 3\/8\" actual depth—choose the 16x25x5 option\u003c\/li\u003e\n  \u003cli\u003eFits most furnaces and air handlers that accept pleated 4\" filters with matching actual dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change these MERV 12 pleated filters?\u003c\/h3\u003e\n\u003cp\u003eReplacement frequency depends on household conditions: typical guidance is every 3–6 months. Homes with pets, smokers, renovation dust, or allergy sufferers may need more frequent changes to maintain airflow and filtration effectiveness. Regular swaps help preserve HVAC efficiency and can reduce load on motors and coils.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended interval: replace every 3–6 months\u003c\/li\u003e\n  \u003cli\u003eChange more often in homes with pets, smokers, or remodeling dust\u003c\/li\u003e\n  \u003cli\u003eSeasonal checks help detect restricted airflow early\u003c\/li\u003e\n  \u003cli\u003eTimely replacement supports energy efficiency and longer equipment life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat construction and safety features do these filters offer?\u003c\/h3\u003e\n\u003cp\u003eNordic Pure filters are made in the USA with a moisture-resistant beverage-board frame and pleat support grid, giving them durability in typical HVAC environments. The media is hypoallergenic and resists bacterial and mold growth, which reduces the need for chemical additives and keeps the filter performing without contributing irritants to the air stream.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy-duty beverage-board frame resists moisture\u003c\/li\u003e\n  \u003cli\u003eBonded metal mesh supports the pleats for shape retention\u003c\/li\u003e\n  \u003cli\u003eHypoallergenic, electrostatically charged filter media\u003c\/li\u003e\n  \u003cli\u003eMade in the USA with no added chemical biocides\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners and renters who want a step-up from basic filters—especially families with allergies, households with pets, or anyone seeking improved filtration without sacrificing airflow—will benefit from these MERV 12 pleated filters. They are ideal when you need durable construction, clear actual measurements for a precise fit, and a filter that helps maintain HVAC efficiency while removing fine particulates from indoor air.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the actual dimensions of this 16x25x4 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The actual size is 15.5 x 24.5 x 3.63 inches; measure your current filter to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace Nordic Pure MERV 12 filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 3–6 months, more frequently with pets, smokers, or during renovations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nordic Pure","offers":[{"title":"Default Title","offer_id":54584784748883,"sku":"B004QL75V6","price":174.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/nordic-pure-frontal-empaque.jpg?v=1786660400"},{"product_id":"nordic-pure-filtro-plisado-16x20x4-15-5x19-5x3-63-merv-12-pack-de-2-alta-captura-y-marco-resistente","title":"Nordic Pure 16x20x4 MERV 12 Pleated Air Filters 2-Pack — Electrostatic Media, Reinforced Frame","description":"\u003cp\u003e\u003cstrong\u003eNordic Pure 16x20x4 MERV 12 pleated air filters are high-performance HVAC replacement filters designed to capture a wide range of airborne particles while protecting your heating and cooling system.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese two-pack pleated filters use electrostatically charged synthetic media and a reinforced frame to trap dust, pollen, pet dander, and many other common indoor particulates without excessively restricting airflow. Built with a moisture-resistant beverage board frame and a bonded metal mesh support, they balance filtration efficiency and durability. Because furnace filters are often labeled by nominal sizes, Nordic Pure lists the actual filter dimensions so you can match the physical product to your return slot and avoid fit problems.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these filters help my HVAC system perform better?\u003c\/h3\u003e\n\u003cp\u003eBy removing particulates before they circulate through ducts and onto heat exchangers or blower motors, these pleated filters reduce the load on system components. Cleaner internals mean more consistent airflow, fewer breakdowns, and potentially lower energy use. They are designed to fit common residential slots while providing MERV 12-level capture.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrostatically charged synthetic media increases particle capture without dense, restrictive packing.\u003c\/li\u003e\n  \u003cli\u003eMetal mesh bonded to pleats adds structural support under airflow.\u003c\/li\u003e\n  \u003cli\u003eMoisture-resistant beverage board frame resists warping in humid conditions.\u003c\/li\u003e\n  \u003cli\u003eMERV 12 performance comparable to MPR 1500–1900 for finer particle removal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat exact size should I order for my filter slot?\u003c\/h3\u003e\n\u003cp\u003eNordic Pure prints a nominal size (16x20x4) but the actual filter dimensions are 15 1\/2 x 19 1\/2 x 3 5\/8 inches (15.5 x 19.5 x 3.63). Because manufacturers vary, measuring the existing filter or the slot is the reliable way to confirm fit. If your system uses a slightly deeper 4 3\/8\" actual depth, choose the Nordic Pure 16x20x5 option instead.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal size: 16 x 20 x 4 (common label)\u003c\/li\u003e\n  \u003cli\u003eActual physical size: 15.5 x 19.5 x 3.63 inches\u003c\/li\u003e\n  \u003cli\u003eMeasure the filter or the filter slot before ordering to avoid mismatches.\u003c\/li\u003e\n  \u003cli\u003eSee 16x20x5 variant if your actual depth is 4 3\/8 inches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should these filters be replaced and why?\u003c\/h3\u003e\n\u003cp\u003eReplacement cadence depends on household conditions: occupancy, pets, local air quality, and renovation activity. As a starting guideline, swap the filter every 3–6 months; change more frequently during heavy use, allergy seasons, or home improvement projects. Regular replacement preserves system efficiency and maintains filtration performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical interval: every 3–6 months under normal conditions.\u003c\/li\u003e\n  \u003cli\u003eReplace sooner with pets, smokers, or active renovation work.\u003c\/li\u003e\n  \u003cli\u003eCheck monthly during high pollen or pollution events.\u003c\/li\u003e\n  \u003cli\u003eFresh filters help avoid increased energy use and clogged components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this filter compatible with Honeywell or Lennox units?\u003c\/h3\u003e\n\u003cp\u003eCompatibility depends on the actual depth of the filter your system uses. If your Honeywell or Lennox installation requires a 4 3\/8\" actual depth (often labeled 16x20x4), you should likely select the Nordic Pure 16x20x5 replacement that measures 15.88 x 19.75 x 4.38. Always verify the physical dimensions before ordering to ensure a proper fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck the actual depth inside the slot; many manufacturers differ from nominal sizes.\u003c\/li\u003e\n  \u003cli\u003eChoose the 16x20x5 version for 4 3\/8\" actual depth needs.\u003c\/li\u003e\n  \u003cli\u003eNordic Pure provides clear actual-size specs to prevent mis-orders.\u003c\/li\u003e\n  \u003cli\u003eContact customer support if unsure about fit for specific HVAC brands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and renters who want a robust, high-capture replacement filter for standard residential HVAC systems; people with seasonal allergies, pets, or frequent dust exposure who need MERV 12-level filtration; and anyone who values knowing the actual filter dimensions to ensure a correct fit. These filters are made in the USA and packaged as a two-pack for straightforward, periodic replacement.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the actual dimensions of this 16x20x4 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Actual size is 15.5 x 19.5 x 3.63 inches; measure your slot to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace a MERV 12 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Generally every 3–6 months, sooner with pets, renovations, or high pollution.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nordic Pure","offers":[{"title":"Default Title","offer_id":54584785568083,"sku":"B005ESPBFC","price":127.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/nordic-pure-frontal-empaque_21d60290-9113-4df8-8883-87153e246575.jpg?v=1786660427"},{"product_id":"filtrete-filtro-20x25x4-slim-fit-3-75-pulg-mpr-1550-merv-12-pack-2-certificado-asma-y-alergia","title":"Filtrete 20x25x4 Slim Fit Furnace Air Filter MPR 1550 (MERV 12) 2-Pack — Slim 3.75\" High-Efficiency, Allergy Friendly","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x25x4 Slim Fit MPR 1550 furnace filter is a high-efficiency electrostatically charged HVAC filter that captures dust, pollen, pet dander and other airborne particles while fitting slim 3.75\" housings.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you want stronger particle capture than a standard pleated or washable screen, this Filtrete 2-pack provides enhanced filtration without complex installation. Each filter is sized for common furnaces and air handlers (actual size 19.50 x 24.50 x 3.75) and uses Filtrete’s electrostatic 3-in-1 media to attract and hold microscopic and visible particles as air cycles through your system. The MPR 1550 rating correlates with a MERV 12 performance tier, making it a solid choice when you need improved indoor air cleanliness while maintaining proper airflow in many residential systems.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve the air in my home?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 1550 filter combines electrostatic charge and high-density pleats to trap a wide range of particles from the air passing through your furnace or air handler. That means more particles are intercepted during each heating or cooling cycle compared with non-electrostatic filters. It is third-party certified as asthma \u0026amp; allergy friendly, reflecting its effectiveness at reducing common household allergens.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures lint, dust, pollen, and pet dander with electrostatic attraction.\u003c\/li\u003e\n  \u003cli\u003eMPR 1550 \/ comparable to MERV 12 performance for small particle capture.\u003c\/li\u003e\n  \u003cli\u003eCertified asthma \u0026amp; allergy-friendly for added confidence.\u003c\/li\u003e\n  \u003cli\u003eDesigned to maintain airflow suitable for many residential HVAC units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this slim 3.75\" filter fit my AprilAire or Carrier system?\u003c\/h3\u003e\n\u003cp\u003eThis filter is made to fit installations that accept a 4\" nominal thickness with an actual depth of 3.75 inches, and it is compatible with many AprilAire and Carrier housings that accommodate slim-fit 4\" filters. Always verify your equipment's maximum filter depth and the actual dimensions before purchasing. The listed actual dimensions are 19.50 x 24.50 x 3.75 inches.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual size: 19.50 x 24.50 x 3.75 inches for accurate fitting.\u003c\/li\u003e\n  \u003cli\u003eDesigned for slim 4\" housings used by AprilAire, Carrier, and similar units.\u003c\/li\u003e\n  \u003cli\u003eVerify your system’s filter slot depth and airflow specs before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the Filtrete MPR 1550 filter and how do I track it?\u003c\/h3\u003e\n\u003cp\u003eFilter life varies by home conditions, but Filtrete recommends checking this 4\" filter periodically and replacing it at least once every 12 months for optimal performance. Homes with pets, heavy dust, or allergy concerns may need more frequent changes. To simplify reminders, use the Filtrete Smart App to schedule replacement intervals of 90, 180, or 365 days.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace at least once every 12 months under normal conditions.\u003c\/li\u003e\n  \u003cli\u003eConsider more frequent changes in homes with pets, smokers, or high dust.\u003c\/li\u003e\n  \u003cli\u003eUse Filtrete Smart App to set filter-change reminders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat environmental and safety credentials does this product have?\u003c\/h3\u003e\n\u003cp\u003eFiltrete verifies that this furnace filter contains at least 50% recycled content via a third-party audit from GreenCircle Certified. The product is also part of Filtrete’s most-trusted residential HVAC filter lineup, backed by consumer research. These factors help you select a filter with both performance and environmental considerations in mind.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerified minimum 50% recycled content by GreenCircle Certified.\u003c\/li\u003e\n  \u003cli\u003ePart of Filtrete’s trusted residential filter range.\u003c\/li\u003e\n  \u003cli\u003eCertified asthma \u0026amp; allergy-friendly by an independent program.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Filtrete 20x25x4 MPR 1550 filter suits homeowners and renters who want stronger particle capture than standard pleated or washable filters, need a slim 4\" (3.75\" actual) option for AprilAire or Carrier housings, and prefer a product with verified recycled content and allergy-friendly certification. It’s a practical pick for people with pets, seasonal allergies, or households aiming to reduce airborne dust and dander while preserving residential HVAC performance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is MPR 1550 the same as MERV 12?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MPR 1550 corresponds to a MERV 12 performance level for small-particle capture, though MPR and MERV use different rating systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this filter in a one-inch filter slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No; this filter is 3.75\" thick (actual). Confirm your system accepts slim 4\" filters before installing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54584915984723,"sku":"B09RQC6RC7","price":163.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frente-empaque-20x25x4.jpg?v=1786662054"},{"product_id":"simply-filtro-de-aire-20x20x1-19-75x19-75x0-75-paquete-de-6-merv-13-para-polvo-y-alergenos","title":"Simply MERV 13 20x20x1 Air Filter 6-Pack — 19.75x19.75x0.75 in, Pleated High-Capture for Dust \u0026 Allergens","description":"\u003cp\u003e\u003cstrong\u003eSimply 20x20x1 MERV 13 air filters (6-pack) are pleated HVAC filters built to capture a wide range of airborne particles while fitting standard 20\"x20\" filter slots.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese replacement filters from Simply come as a six-pack with an actual carded size of 19.75\" x 19.75\" x 0.75\", engineered for use in home furnaces, air conditioners, heat pumps and most residential HVAC return grilles. Rated MERV 13, they are designed to balance particle capture and airflow, using a dense pleated media and higher pleat count than many retail brands. Packaged in heat-sealed shrink wrap, each filter arrives clean and ready to install.\u003c\/p\u003e\n\n\u003ch3\u003eHow will Simply MERV 13 filters affect indoor air quality?\u003c\/h3\u003e\n\n\u003cp\u003eMERV 13 media is effective at trapping fine particles that typical lower-rated filters miss, such as pollen, pet dander, smoke particles and many bacterial-sized particulates. While not a medical device, these filters can reduce visible dust and common allergen loads in living spaces when used consistently and changed on schedule.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCaptures a broad range of particles including dust, pollen, pet dander and smoke\u003c\/li\u003e\n\u003cli\u003eDenser pleated design increases surface area for particle capture\u003c\/li\u003e\n\u003cli\u003eHelps reduce dust buildup on HVAC components and home surfaces\u003c\/li\u003e\n\u003cli\u003eBest used with regular replacement every 1–3 months for steady performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDoes this filter fit my system and how do I install it?\u003c\/h3\u003e\n\n\u003cp\u003eThe pack is sized to fit standard 20\"x20\" filter housings; the true dimensions are 19.75\" x 19.75\" x 0.75\", so it slides into most residential filter slots and return grilles without trimming. Installation is typically a one-step slide-in: align the arrow with the system airflow direction and slide it into place.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eActual size: 19.75\" x 19.75\" x 0.75\" to fit common 20x20 housings\u003c\/li\u003e\n\u003cli\u003eFollow the printed airflow arrow toward the furnace or air handler\u003c\/li\u003e\n\u003cli\u003eSuitable for furnaces, central air units, heat pumps and return vents\u003c\/li\u003e\n\u003cli\u003eHeat-sealed packaging keeps filters clean until use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will each Simply filter last and when should I replace them?\u003c\/h3\u003e\n\n\u003cp\u003ePerformance depends on home conditions — pets, occupants, and outdoor pollution — but these filters are designed for up to three months of typical residential use. Check the filter monthly; replace sooner if it looks visibly dirty, airflow is reduced, or homeowners have strong allergy concerns.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eDesigned for up to 3 months under normal household conditions\u003c\/li\u003e\n\u003cli\u003eHomes with pets or heavy dust may need 1–2 month changes\u003c\/li\u003e\n\u003cli\u003eRegular replacement maintains airflow and HVAC efficiency\u003c\/li\u003e\n\u003cli\u003eAvailable in six-pack quantity to cover multiple replacement cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes Simply filters different from other retail brands?\u003c\/h3\u003e\n\n\u003cp\u003eSimply emphasizes a higher pleat count and American-made components, producing a dense but breathable filter media that seeks to improve capture area without overly restricting airflow. The filters are comparable in application to popular retail options but come as a six-pack with attention to packaging and U.S. sourcing.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eHigher pleat count than many store-brand filters for more capture surface\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA using 100% American components\u003c\/li\u003e\n\u003cli\u003eHeat-sealed packaging to prevent dirt during shipping and storage\u003c\/li\u003e\n\u003cli\u003eCompatible with many leading retail filter specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners and renters who want stronger particulate control than basic fiberglass filters, families with pets or seasonal allergies looking to reduce dust and dander, and anyone who prefers American-made HVAC supplies. These filters suit typical residential systems where a balance of filtration efficiency and maintained airflow is desired; consult your HVAC technician for placements in systems with special air-quality requirements.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this filter compatible with standard 20x20 slots?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The actual dimensions are 19.75\" x 19.75\" x 0.75\", designed to fit standard 20x20 filter housings and return grilles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change Simply MERV 13 filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 1–3 months depending on pets, occupancy and dust levels; check monthly and swap sooner if visibly dirty.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Simply","offers":[{"title":"Default Title","offer_id":54584963563859,"sku":"B0BVBZ27Y7","price":113.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/simply-empaque-frontal.jpg?v=1786663709"},{"product_id":"nordic-pure-filtro-merv-12-15-3-4x24-3-4x4-3-8-pulgadas-pack-2-pleado-electrostatico-para-honeywell-lennox","title":"Nordic Pure 16x25x5 MERV 12 Air Filter Replacement for Honeywell\/Lennox — 2-Pack, Electrostatic Pleated","description":"\u003cp\u003e\u003cstrong\u003eNordic Pure 16x25x5 MERV 12 replacement filters are a two-pack of pleated HVAC filters sized at an actual 15-3\/4\" x 24-3\/4\" x 4-3\/8\" that fit many Honeywell\/Lennox housings and provide high-efficiency particle capture without added chemicals.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Nordic Pure HVAC filters are engineered as replacements for popular Honeywell models and deliver MERV 12 performance using electrostatically charged synthetic media. Because nominal filter labels often differ from their true dimensions, these filters list both the nominal and precise \"actual size\" so you can confirm fit. The pleated media is supported by a bonded metal mesh and a moisture-resistant beverage-board frame for durability in typical home and light-commercial systems. MERV 12 level filtration captures fine dust, pollen, pet dander, smoke particles, and many smaller airborne particulates, helping maintain cleaner ductwork and more efficient heating and cooling operation when replaced regularly.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I confirm this filter will fit my HVAC cabinet?\u003c\/h3\u003e\n\u003cp\u003eMeasure your existing filter (length, width, depth) and compare to the published actual size rather than the nominal size printed on older filters. Depth for 4\"\/5\" style filters varies among manufacturers, so verify the true thickness before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual size: 15-3\/4\" x 24-3\/4\" x 4-3\/8\"\u003c\/li\u003e\n  \u003cli\u003eNominal label: 16\" x 25\" x 5\"—common but approximate\u003c\/li\u003e\n  \u003cli\u003eWorks as replacements for several Honeywell model numbers\u003c\/li\u003e\n  \u003cli\u003eMeasure filter slot or current filter for best fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance can I expect from a MERV 12 Nordic Pure filter?\u003c\/h3\u003e\n\u003cp\u003eMERV 12 ratings indicate strong capture of small particles down to submicron sizes without being as restrictive as higher-MERV industrial filters. These filters balance filtration efficiency with airflow to help systems run efficiently while trapping common household contaminants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrostatically charged synthetic media attracts fine particles\u003c\/li\u003e\n  \u003cli\u003eCaptures pollen, pet dander, dust, mold spores, and many smoke particles\u003c\/li\u003e\n  \u003cli\u003eComparable to filters in the MPR 1500–1900 range\u003c\/li\u003e\n  \u003cli\u003eDoes not kill germs; media resists bacterial and mold growth\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long should I leave these filters in place, and when should I replace them?\u003c\/h3\u003e\n\u003cp\u003eService life depends on indoor activity levels and outdoor air quality. Typical replacement intervals are every 3–6 months, but homes with pets, renovation dust, or heavy pollen may require more frequent changes to maintain airflow and efficiency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommend routine replacement every 3–6 months\u003c\/li\u003e\n  \u003cli\u003eCheck monthly during high-use seasons or remodeling\u003c\/li\u003e\n  \u003cli\u003eReplace sooner if visible dirt builds up or airflow decreases\u003c\/li\u003e\n  \u003cli\u003eRegular changes protect equipment and lower maintenance costs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these filters compatible with Honeywell and Lennox systems?\u003c\/h3\u003e\n\u003cp\u003eNordic Pure markets this set as replacements for multiple Honeywell part numbers and fits many Lennox cabinets that accept similar actual dimensions. Always confirm the actual size matches your filter slot and consult your system manual if unsure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned as replacements for Honeywell F100F1012, FC100A1026, FC100A1029, FC100C1009, FC200E1029\u003c\/li\u003e\n  \u003cli\u003eMay fit other brands using the same actual dimensions\u003c\/li\u003e\n  \u003cli\u003eBonded metal mesh adds pleat support for consistent airflow\u003c\/li\u003e\n  \u003cli\u003eMoisture-resistant frame helps in humid environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners or light-commercial building managers who need a dependable, higher-efficiency HVAC filter that balances particle removal with system airflow. This two-pack is suited for allergy-conscious households, pet owners, or anyone seeking to reduce dust and extend HVAC component life, provided the actual dimensions match the equipment’s filter slot.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the actual size vs nominal size?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Nominal: 16x25x5, actual dimensions: 15-3\/4 x 24-3\/4 x 4-3\/8 inches — measure to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change these MERV 12 filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Change every 3–6 months; check monthly during high pollen, pets, or renovation activity.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nordic Pure","offers":[{"title":"Default Title","offer_id":54585013666131,"sku":"B004QL75VQ","price":184.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/nordic-pure-frontal-envase-16x25x5.jpg?v=1786665058"},{"product_id":"nordic-pure-filtro-merv-12-20x25x5-real-19-7-8-x-24-7-8-x-4-3-8-2-unidades-marco-resistente-y-electrostatico","title":"Nordic Pure MERV 12 HVAC Replacement Air Filters 20x25x5 (Actual 19.88x24.88x4.38) 2-Pack — Electrostatic Pleated Filters","description":"\u003cstrong\u003eNordic Pure 20x25x5 MERV 12 replacement filters are high-efficiency pleated furnace filters sized at an actual 19 7\/8 x 24 7\/8 x 4 3\/8 inches and sold as a 2-pack to improve HVAC performance and indoor air quality.\u003c\/strong\u003e\n\n\u003cp\u003eThese Nordic Pure pleated filters are built with electrostatically charged synthetic media and a sturdy beverage-board frame backed by a bonded metal mesh, designed to capture fine particles while resisting moisture and microbial growth. Rated MERV 12 (comparable to MPR 1500–1900), they are intended as direct replacements for many Honeywell\/Lennox housings that accept a nominal \"20x25x5\" filter but actually require the smaller actual dimensions. Because many furnace filters use nominal sizing, we emphasize measuring your current filter or slot before ordering to ensure a snug, effective fit.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these filters differ from the printed nominal size?\u003c\/h3\u003e\n\u003cp\u003eMany furnace filters list a nominal size that is slightly larger than the filter’s true measurements. Nordic Pure labels this model as 20x25x5 nominal, while the actual dimensions are 19 7\/8 x 24 7\/8 x 4 3\/8 inches—equivalent to many filters sold as 20x25x4 by other manufacturers. Measuring your existing filter or the housing prevents fit issues.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNominal size: 20 x 25 x 5; actual: 19.88 x 24.88 x 4.38 inches.\u003c\/li\u003e\n\u003cli\u003eWorks as a replacement where the real depth is about 4 3\/8 inches.\u003c\/li\u003e\n\u003cli\u003eCheck your filter slot or old filter before purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat level of particle filtration can I expect from MERV 12?\u003c\/h3\u003e\n\u003cp\u003eMERV 12 filters provide high-efficiency filtration suitable for trapping many fine airborne particles, including dust, pollen, smoke fragments, and some biological particulates down to about 0.3 microns. While they capture a wide range of contaminants and help reduce particulates circulating in your home, they do not sterilize air or claim to eliminate pathogens.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComparable performance to MPR 1500–1900 ratings.\u003c\/li\u003e\n\u003cli\u003eElectrostatic media attracts and holds small particles effectively.\u003c\/li\u003e\n\u003cli\u003eMedia resists bacterial and mold growth without added chemicals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change these furnace filters and why?\u003c\/h3\u003e\n\u003cp\u003eFilter lifespan depends on local indoor and outdoor conditions, household activity, and whether renovations or heavy dust are present. For most homes, replacing the filter every 3–6 months balances clean airflow and cost-effectiveness; homes with pets, smokers, or allergy sufferers may require more frequent changes.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTypical recommendation: change every 3–6 months.\u003c\/li\u003e\n\u003cli\u003eReplace sooner during construction, heavy pollen seasons, or high indoor dust.\u003c\/li\u003e\n\u003cli\u003eRegular changes keep HVAC systems running efficiently and reduce maintenance needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the construction and material benefits of this Nordic Pure filter?\u003c\/h3\u003e\n\u003cp\u003eNordic Pure uses an electrostatically charged synthetic filter media combined with a moisture-resistant beverage-board frame and a bonded metal support grid. This construction helps the pleats maintain shape under airflow, reduces the chance of sagging, and avoids adding biocidal chemicals to the media while limiting microbial growth.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy-duty, moisture-resistant beverage board frame for durability.\u003c\/li\u003e\n\u003cli\u003eMetal mesh bonded to pleats adds structural support.\u003c\/li\u003e\n\u003cli\u003eElectrostatic synthetic media traps fine particles without chemical additives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? Homeowners or building managers seeking a high-efficiency replacement filter that fits systems labeled 20x25x5 but requiring slightly smaller actual dimensions will appreciate this Nordic Pure MERV 12 two-pack. It’s especially suitable for those who want improved particulate capture (allergy-conscious households, pet owners, or anyone wanting cleaner indoor air) while maintaining HVAC efficiency. Confirm your filter slot measurements before ordering to ensure correct fit and peak performance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this filter fit my system if my old filter says 20x25x4?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Possibly—measure your old filter or slot. Nordic Pure’s actual size is 19 7\/8 x 24 7\/8 x 4 3\/8 inches, which often matches filters labeled 20x25x4.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace a MERV 12 Nordic Pure filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 3–6 months under normal conditions; change sooner with pets, smoke, heavy dust, or during renovations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nordic Pure","offers":[{"title":"Default Title","offer_id":54585014124883,"sku":"B004LURI4Q","price":184.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/nordic-pure-frontal-empaque_86cba540-72a6-4147-8b44-532e6b6143db.jpg?v=1786665079"},{"product_id":"nordic-pure-filtro-pleated-merv-12-20x20x4-19-5x19-5x3-63-pack-de-2-electrostatico-y-reforzado","title":"Nordic Pure 20x20x4 MERV 12 Pleated Air Filters 2-Pack — Actual 19.5x19.5x3.63, Electrostatic","description":"\u003cp\u003e\u003cstrong\u003eNordic Pure 20x20x4 pleated MERV 12 air filters are high-efficiency replacement furnace and AC filters (actual size 19.5\" x 19.5\" x 3.63\") sold in a convenient 2-pack.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese filters use electrostatically charged synthetic media and a reinforced pleated design to capture fine airborne particles while supporting HVAC system airflow. Because nominal filter dimensions frequently differ from the printed size, the actual measurements are provided so you can confirm a proper fit before ordering. MERV 12 performance makes this filter suitable for reducing household dust, pollen, pet dander, and other small particulates that circulate through forced-air systems.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these filters protect my HVAC system and indoor air?\u003c\/h3\u003e\n\u003cp\u003eNordic Pure pleated filters trap a range of particles using charged synthetic fibers and deep pleat construction that increases surface area. The captured debris prevents buildup on heat exchangers and fan blades, helping systems maintain efficient airflow. A bonded metal mesh gives the pleats structural support so the filter keeps its shape across the filter’s service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrostatic media attracts particles down to submicron sizes.\u003c\/li\u003e\n  \u003cli\u003eMERV 12 performance comparable to MPR 1500–1900.\u003c\/li\u003e\n  \u003cli\u003eMetal mesh backing reinforces pleats for durability.\u003c\/li\u003e\n  \u003cli\u003eReduces dust and large particulate buildup in ducts and coils.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat exact size is this and why does that matter?\u003c\/h3\u003e\n\u003cp\u003eThe nominal label reads 20 x 20 x 4, but the actual filter measures 19.5\" x 19.5\" x 3.63\" (19 1\/2 x 19 1\/2 x 3 5\/8). Many manufacturers print nominal sizes that are slightly larger than the real dimensions, so confirming the actual measurements avoids ordering a wrong-fit filter. If your system shows a 4 3\/8\" depth, review our 20x20x5 option instead.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal: 20 x 20 x 4 — Actual: 19.5 x 19.5 x 3.63 inches.\u003c\/li\u003e\n  \u003cli\u003eMeasure your current filter slot before purchasing.\u003c\/li\u003e\n  \u003cli\u003eAlternate sizes available for specific Honeywell or Lennox replacements.\u003c\/li\u003e\n  \u003cli\u003eProper fit prevents air bypass and maintains filtration effectiveness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change a MERV 12 pleated filter?\u003c\/h3\u003e\n\u003cp\u003eService interval depends on household conditions: pets, indoor occupants, renovation dust, and local air quality all influence how quickly a filter loads. A typical recommendation is every 3 to 6 months for 4-inch pleated filters, with more frequent changes if you notice reduced airflow or visible soiling. Regular replacement helps preserve system efficiency and consistent filtration performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard home use: replace every 3–6 months.\u003c\/li\u003e\n  \u003cli\u003eHomes with pets or allergy sufferers: check monthly; change sooner.\u003c\/li\u003e\n  \u003cli\u003eDuring renovations or wildfire smoke events: replace more often.\u003c\/li\u003e\n  \u003cli\u003eInspect visually for darkening or airflow restriction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and manufacturing details should I know?\u003c\/h3\u003e\n\u003cp\u003eThese Nordic Pure filters are built with electrostatically charged synthetic media and a moisture-resistant beverage-board frame, plus a bonded metal support grid. The combination aims to balance high particle capture with dimensional stability and durability in typical HVAC environments. Filters are manufactured in the USA and designed for single-use replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrostatic synthetic media for enhanced particle attraction.\u003c\/li\u003e\n  \u003cli\u003eMoisture-resistant beverage-board frame prevents collapse when humid.\u003c\/li\u003e\n  \u003cli\u003eBonded metal mesh protects pleats and prolongs life.\u003c\/li\u003e\n  \u003cli\u003eMade in the USA; sold as a 2-pack for convenient replacement cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: homeowners and renters looking for an affordable, higher-efficiency replacement filter that fits common 20x20 filter housings (confirm the actual size before ordering). It suits households with allergies, pets, or periodic indoor dust where improved particulate capture and HVAC protection are desired. Choose this MERV 12 option when you want a step up from basic fiberglass filters while maintaining good airflow and reasonable service intervals.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this 20x20x4 filter fit my furnace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Measure your existing filter slot; this product's actual size is 19.5\" x 19.5\" x 3.63\" and must match your furnace opening.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How small of particles does a MERV 12 filter capture?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MERV 12 captures many particles down to roughly 0.3–1 micron, improving removal of dust, pollen, and fine particulates.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nordic Pure","offers":[{"title":"Default Title","offer_id":54585135923539,"sku":"B004QL762O","price":169.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/nordic-pure-frontal-empaque_b210b84d-de3f-43ab-b6ac-f49668beacc4.jpg?v=1786666427"},{"product_id":"aerostar-filtro-de-aire-16x24x1-merv-8-paquete-de-6-plisado-electrostatico-para-hvac-y-horno","title":"Aerostar Air Filter 16x24x1 6-Pack — MERV 8 Pleated HVAC\/Furnace Filter with Balanced Airflow","description":"\u003cp\u003e\u003cstrong\u003eAerostar 16x24x1 MERV 8 pleated air filter 6-pack provides reliable particle capture and improved airflow for most residential HVAC and furnace systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Aerostar 16x24x1 filters (actual dimensions 15.75\" x 23.75\" x 0.75\") are designed as an affordable, easy-to-install option for maintaining cleaner indoor air. Built from electrostatically charged synthetic pleated media, they trap common airborne particles while allowing steady airflow to reduce system strain. Sold in a six-pack, they offer a convenient multi-month supply for homes and small commercial spaces that use a standard 1-inch filter slot.\u003c\/p\u003e\n\n\u003ch3\u003eHow effective is the MERV 8 rating for everyday home air quality?\u003c\/h3\u003e\n\n\u003cp\u003eMERV 8 filters balance particle capture with airflow efficiency, suitable for general household use. They collect many common pollutants without heavily restricting your HVAC system, making them an economical upgrade over basic fiberglass filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures up to ~90% of larger airborne particles like dust, lint, pollen, and pet dander.\u003c\/li\u003e\n  \u003cli\u003eTargets particles approximately 0.3–1.0 microns via electrostatic attraction.\u003c\/li\u003e\n  \u003cli\u003eComparable to MPR 600 and FPR 5 for standard filtration performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters fit my furnace or air conditioner?\u003c\/h3\u003e\n\n\u003cp\u003eAerostar filters are manufactured to fit standard residential and commercial 1-inch filter slots, including many popular brands and models. Always check the housing label or the old filter for exact size; the stated nominal size is 16x24x1 with actual dimensions slightly smaller to ensure a proper fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal size: 16\" x 24\" x 1\"; actual: 15.75\" x 23.75\" x 0.75\".\u003c\/li\u003e\n  \u003cli\u003eCompatible with major brands like Carrier, Bryant, Payne, and Honeywell.\u003c\/li\u003e\n  \u003cli\u003eSingle-pack is a 6-count supply for multiple filter changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace Aerostar MERV 8 filters?\u003c\/h3\u003e\n\n\u003cp\u003eReplacement frequency depends on usage, season, and household conditions. For typical use, changing the filter every 60–90 days maintains performance, while heavy-use periods or homes with pets and allergies may require monthly changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard recommendation: replace every 60–90 days.\u003c\/li\u003e\n  \u003cli\u003eHigh-demand months (summer\/winter) or high particulate loads: check and replace every 30 days.\u003c\/li\u003e\n  \u003cli\u003eInspect visually: replace when visibly dirty or airflow decreases noticeably.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these filters affect HVAC efficiency and maintenance?\u003c\/h3\u003e\n\n\u003cp\u003eUsing a pleated MERV 8 filter can reduce dust accumulation in ducts and on system components, helping equipment run more consistently. Because the media is designed for balanced airflow, it reduces unnecessary strain compared with overly restrictive high-MERV options, supporting energy-efficient operation when replaced regularly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrostatically charged pleats trap particles while preserving airflow.\u003c\/li\u003e\n  \u003cli\u003eReduced dirt buildup can lower cleaning frequency and maintenance costs.\u003c\/li\u003e\n  \u003cli\u003eSized and packaged for easy, regular replacement to sustain efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? Homeowners, renters, and small business operators looking for a cost-effective, easy-to-install air filter with solid everyday performance will find value in the Aerostar 16x24x1 MERV 8 6-pack. It’s a practical choice for those who want better indoor air cleanliness than basic fiberglass filters provide, without the higher cost or airflow trade-offs of very high-MERV options. If you operate equipment with a standard 1-inch slot and need a dependable multi-month supply that fits widely used HVAC brands, this Aerostar pack is built for routine filter maintenance and consistent comfort.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these filters washable or reusable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. Aerostar MERV 8 pleated filters are disposable; replace them rather than washing to preserve filtration performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use MERV 8 filters with any HVAC system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit most systems with a 1-inch slot, but check your unit’s manual or filter compartment for compatibility before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aerostar","offers":[{"title":"Default Title","offer_id":54585258639699,"sku":"B01CSWPX90","price":108.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/aerostar-frontal-empaque.jpg?v=1786667467"},{"product_id":"honeywell-home-filtro-de-aire-16x25x4-merv-11-media-profundidad-captura-polvo-y-polen","title":"Honeywell Home 16 x 25 x 4 Media Air Filter — MERV 11 pleated panel with extended dust capacity","description":"\u003cp\u003e\u003cstrong\u003eHoneywell FC100A1029 is a 16 x 25 x 4 media air filter rated MERV 11 that reduces airborne particles in home HVAC systems for cleaner indoor air.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Honeywell Home 16 x 25 x 4 media air filter combines deeper pleated media and a MERV 11 rating to capture a wide range of common household particles while fitting standard residential furnaces and air handlers. Its thicker 4\" depth holds more dust and debris between changes than thinner filters, extending service life and maintaining airflow when installed correctly. Designed for seasonal use and routine HVAC maintenance, this filter helps keep blower components cleaner and can ease maintenance tasks for the system owner.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this MERV 11 filter perform compared with standard filters?\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell MERV 11 media captures smaller particles than typical fiberglass or low-MERV disposable filters without the severe airflow restriction of very high-MERV media. It balances filtration efficiency and compatibility with most residential systems, trapping allergens, dust, and some fine particles while allowing normal furnace and air conditioner operation when replaced on schedule.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 11 rating: captures finer particles such as pet dander, pollen, and some smoke aerosols.\u003c\/li\u003e\n  \u003cli\u003e4\" media depth: larger dust-holding capacity than 1\" or 2\" filters.\u003c\/li\u003e\n  \u003cli\u003eDesigned for residential HVAC systems that accept 4\" media panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the Honeywell FC100A1029 filter?\u003c\/h3\u003e\n\u003cp\u003eFor typical residential use, Honeywell recommends checking and replacing this filter every 6 to 12 months depending on household conditions. Homes with pets, smokers, heavy dust, or allergy sufferers may need to replace the filter closer to the six-month mark, while lower-traffic residences can often extend to 12 months.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBaseline recommendation: replace every 6–12 months.\u003c\/li\u003e\n  \u003cli\u003eHigh particle loads: consider replacement at 3–6 months.\u003c\/li\u003e\n  \u003cli\u003eInspect visually: change sooner if the media appears heavily loaded or airflow is reduced.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my system and affect airflow?\u003c\/h3\u003e\n\u003cp\u003eThe FC100A1029 is a 16 x 25 x 4 media panel designed to fit housings and air handlers that accept 4-inch media filters. Because it is a deeper pleated media filter, it provides higher particle capture without the same pressure drop of some high-MERV thin filters, but you should verify your HVAC manufacturer's compatibility with MERV 11 media before installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal dimensions: 16\" x 25\" x 4\" — confirm housing accepts 4\" depth.\u003c\/li\u003e\n  \u003cli\u003eMERV 11: improved capture with moderate impact on system static pressure.\u003c\/li\u003e\n  \u003cli\u003eCompatible with most residential furnaces and air handlers designed for media panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the practical benefits of choosing this Honeywell media filter?\u003c\/h3\u003e\n\u003cp\u003eThis Honeywell filter helps reduce buildup on furnace components, may decrease airborne dust in living spaces, and simplifies maintenance by providing a longer service interval than thinner filters. Its higher dust-holding capacity and pleated construction reduce the frequency of replacements for many households.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCleaner HVAC internals by trapping more particulates before they circulate.\u003c\/li\u003e\n  \u003cli\u003eExtended replacement interval thanks to 4\" depth and greater media area.\u003c\/li\u003e\n  \u003cli\u003eSimple swap-in installation in compatible media housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Honeywell FC100A1029 16 x 25 x 4 MERV 11 media air filter is ideal for homeowners and renters with HVAC systems that accept 4\" media panels who want a step up in particle capture from basic filters. It suits households with pets, seasonal allergies, or those seeking less frequent filter changes without significantly impacting system airflow. Always confirm your system’s recommended filter depth and maximum MERV rating in the owner’s manual before upgrading filtration.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is MERV 11 safe for my home HVAC?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MERV 11 is appropriate for many residential systems, offering finer particle capture with moderate airflow impact. Verify your HVAC manufacturer’s recommended maximum MERV rating before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this filter year-round?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Replace the filter every 6–12 months depending on household conditions; high dust or pets may require more frequent changes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":54585268797779,"sku":"B003IGNRPI","price":95.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/honeywell-home-fc100a1029-frente-empaque.jpg?v=1786667622"},{"product_id":"filtrete-filtro-hvac-20x20x4-19-88x19-88x4-31-2-pack-mpr-1000-merv-11-electrostatico-apto-para-alergias","title":"Filtrete Furnace \u0026 AC Air Filter 20x20x4 MPR 1000 MERV 11 — 2-Pack Electrostatic Allergen Defense","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x20x4 MPR 1000 is a 2-pack of electrostatic HVAC filters rated MERV 11 that captures a wide range of household particles while fitting systems sized for a 4.31-inch depth.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis Filtrete premium furnace and AC filter from 3M is engineered to reduce airborne particles in living spaces using Filtrete 3-in-1 technology. With an MPR 1000 and MERV 11 efficiency, the filter combines electrostatic attraction and layered media to trap both large debris and many fine particles common in homes—pets, pollen, dust and some particulates from smoke. Each pack contains two full-size filters measuring 19.88 x 19.88 x 4.31 inches (actual dimensions) intended for use in furnaces, air conditioners and HVAC units compatible with 4-inch filter depths.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete 3-in-1 media uses electrostatic charge plus mechanical filtration to capture particles throughout the airflow, helping reduce the number of airborne irritants circulating in your home. It is certified asthma and allergy-friendly and tested to industry standards for particle capture.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated MERV 11 and MPR 1000 for enhanced particle capture\u003c\/li\u003e\n  \u003cli\u003eElectrostatic fibers attract fine particulates like pet dander and smoke\u003c\/li\u003e\n  \u003cli\u003eCaptures larger contaminants: lint, dust, pollen, and mold spores\u003c\/li\u003e\n  \u003cli\u003eTwo filters per pack for up to 12 months of combined service when changed yearly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this Filtrete filter fit my system that lists Honeywell-sized filters?\u003c\/h3\u003e\n\u003cp\u003eThe filter’s actual dimensions are 19.88 x 19.88 x 4.31 inches and it is designed to work with systems that accept a 4-inch (or larger) filter depth, including many Honeywell media air cleaners. Confirm your equipment specifies a 20x20x4 nominal or accepts a 4.31-inch thickness to ensure a proper fit and seal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual size: 19.88 x 19.88 x 4.31 inches\u003c\/li\u003e\n  \u003cli\u003eFits systems calling for 4-inch nominal depth or larger\u003c\/li\u003e\n  \u003cli\u003eCompatible with many Honeywell media air cleaner setups\u003c\/li\u003e\n  \u003cli\u003eTwo-filter pack simplifies replacement scheduling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the Filtrete 20x20x4 MPR 1000 filter?\u003c\/h3\u003e\n\u003cp\u003eFor optimal performance and airflow, replace each 4-inch filter at least once every 12 months; more frequent changes may be needed in homes with pets, heavy dust, or high pollution. Use the Filtrete Smart App to set reminders at 90-, 180- or 365-day intervals to match your household’s needs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended replacement: every 12 months under normal conditions\u003c\/li\u003e\n  \u003cli\u003eChange sooner if there are pets, smokers, or increased particulate load\u003c\/li\u003e\n  \u003cli\u003eSmart App reminders available for regular maintenance\u003c\/li\u003e\n  \u003cli\u003eRegular replacement supports HVAC efficiency and lifespan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat specific particles does this MPR 1000 filter capture?\u003c\/h3\u003e\n\u003cp\u003eThis filter is designed to trap a spectrum of particles: it collects large contaminants like lint and pollen, and reduces many small airborne particles down to the submicron range as measured by industry tests. While not a medical device, it helps lower common household allergens and airborne debris that affect comfort and cleanliness.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge particles: lint, dust, pollen, and visible debris\u003c\/li\u003e\n  \u003cli\u003eCommon allergens: pet dander and mold spores\u003c\/li\u003e\n  \u003cli\u003eSmaller particles: smoke and fine particulates as evaluated by ASHRAE-standard testing\u003c\/li\u003e\n  \u003cli\u003eDesigned to balance filtration with airflow for HVAC compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners and renters with a 4-inch HVAC filter slot who want stronger filtration than standard fiberglass filters—especially those with pets, seasonal allergies, or urban pollution concerns. This two-pack is convenient for households that prefer annual filter changes and value a brand recognized across North America for residential HVAC filters. Always check your system’s required dimensions and consult installation guidelines before swapping filters.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this filter the actual 20x20x4 size?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The actual dimensions are 19.88 x 19.88 x 4.31 inches; it fits systems that accept a 4-inch nominal depth.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace these Filtrete filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace at least once every 12 months under normal use; change sooner with pets, heavy dust, or poor outdoor air quality.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54585324011859,"sku":"B09RQBH847","price":130.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-20x20x4.jpg?v=1786668405"},{"product_id":"simply-filtro-de-aire-20x24x1-merv-8-6-unidades-pleatado-alto-para-polvo-y-pelo-de-mascotas","title":"Simply 20x24x1 Air Filter MERV 8 — 6-Pack Pleated HVAC Filters, 19.75\"x23.75\"x0.75\" for Dust \u0026 Pet Dander","description":"\u003cp\u003e\u003cstrong\u003eSimply 20x24x1 MERV 8 air filter six-pack delivers reliable dust, pet dander, and pollen capture for residential HVAC systems with a true size of 19.75\" x 23.75\" x 0.75\".\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese pleated HVAC filters from Simply are built to fit most home and commercial furnaces, air conditioners, and return grilles. Designed and assembled in the USA from 100% American components, the six-pack combines a higher pleat count with a MERV 8 performance level to trap common airborne particles while maintaining efficient airflow for up to three months of use.\u003c\/p\u003e\n\n\u003ch3\u003eHow well does this filter reduce household dust and pet dander?\u003c\/h3\u003e\n\u003cp\u003eThe MERV 8 rating captures many of the everyday particles that circulate in living spaces, including dust, pet dander, lint, and pollen. It balances filtration and airflow so HVAC systems can keep running efficiently without excessive strain.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated MERV 8 for common particle capture\u003c\/li\u003e\n  \u003cli\u003ePleated construction increases surface area and capture coverage\u003c\/li\u003e\n  \u003cli\u003eRecommended replacement cycle: up to 3 months under typical use\u003c\/li\u003e\n  \u003cli\u003eHelps reduce visible dust buildup on furniture and vents\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters fit my current HVAC or furnace unit?\u003c\/h3\u003e\n\u003cp\u003eThe nominal listing is 20\" x 24\" x 1\", and the actual manufactured size is 19.75\" x 23.75\" x 0.75\", which matches the slot dimensions of most residential systems that accept 20x24x1 filters. They are designed for universal compatibility with common brands and models.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual size: 19.75\" x 23.75\" x 0.75\" for accurate fit\u003c\/li\u003e\n  \u003cli\u003eWorks with central air units, furnaces, heat pumps, and return grilles\u003c\/li\u003e\n  \u003cli\u003eComparable to popular retail filters (e.g., brands with similar MPR\/FPR performance)\u003c\/li\u003e\n  \u003cli\u003eInstall by aligning the airflow arrow and sliding into the filter slot\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the pleated design affect airflow and lifespan?\u003c\/h3\u003e\n\u003cp\u003eHigher pleat count increases the filter’s active surface area, allowing it to capture more particles without creating excessive resistance to airflow. That design helps maintain system efficiency while providing effective filtration for the suggested service interval.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMore pleats = greater dust-holding capacity\u003c\/li\u003e\n  \u003cli\u003eEngineered to maintain balanced airflow through HVAC systems\u003c\/li\u003e\n  \u003cli\u003eDurable frame and media support up to three months of typical use\u003c\/li\u003e\n  \u003cli\u003eShrink-wrapped packaging preserves cleanliness until installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes Simply Filters different from other leading brands?\u003c\/h3\u003e\n\u003cp\u003eSimply emphasizes American manufacturing, higher pleat counts, and straightforward compatibility at an accessible price point. The product is assembled from U.S. components and packaged to arrive dust- and germ-free, offering a practical alternative to national-brand retail filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMade in the USA using 100% American components\u003c\/li\u003e\n  \u003cli\u003eHeat-sealed shrink wrap for hygienic delivery\u003c\/li\u003e\n  \u003cli\u003eSix-filter value pack reduces replacement cost per month\u003c\/li\u003e\n  \u003cli\u003eOptional subscription available for scheduled deliveries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: homeowners, renters, and small businesses seeking a reliable, easy-to-install air filter that balances particle capture with airflow. If you want a replacement that fits standard 20\" x 24\" filter slots, reduces visible dust and pet particulates, and is produced in the USA with recyclable materials, this six-pack from Simply is a practical choice for regular HVAC maintenance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace a MERV 8 20x24x1 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace approximately every three months under normal conditions; check monthly if you have pets or heavy dust.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this filter fit my 20x24x1 HVAC slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—actual dimensions are 19.75\" x 23.75\" x 0.75\", designed for standard 20x24x1 filter slots.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Simply","offers":[{"title":"Default Title","offer_id":54585508954451,"sku":"B09RHLKQJ2","price":110.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/simply-filtro-frontal-empaque_3ac5fa10-488a-466e-8888-347d232ea660.jpg?v=1786671646"},{"product_id":"filtrete-filtro-de-aire-16x25x4-merv-11-mpr-1000-pack-de-2-4-de-espesor-y-captura-de-microparticulas","title":"Filtrete 16x25x4 HVAC Air Filters 2-Pack — MERV 11 (MPR 1000), 4-inch Thick for Improved Airflow","description":"\u003cb\u003eFiltrete 16x25x4 MERV 11 (MPR 1000) air filters are a two-pack of 4-inch HVAC filters designed to trap a wide range of household particles while preserving airflow.\u003c\/b\u003e\n\n\u003cp\u003eThese Filtrete filters, manufactured by 3M, combine a higher-efficiency media with a thick 4.31\" frame to fit many furnaces, air conditioners and media air cleaners. With an MPR 1000 and MERV 11 performance level, the filters capture both larger debris like lint and pollen and many smaller airborne particles such as pet dander, smoke and smog. Each pack contains two filters sized slightly under the nominal label — 15.88 x 24.56 x 4.31 inches each — intended for seasonal use up to 12 months depending on conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these filters balance particle capture and airflow?\u003c\/h3\u003e\n\u003cp\u003eFiltrete’s media is engineered to pull in and trap particles while allowing your HVAC system to move air efficiently. The thicker 4-inch depth increases surface area, which helps maintain lower resistance to airflow compared with thinner filters at similar efficiency levels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 11 rating: captures many fine particles without excessive drag on the system.\u003c\/li\u003e\n  \u003cli\u003eMPR 1000: indicates enhanced capture of 0.3–1.0 micron particles compared with lower MPR values.\u003c\/li\u003e\n  \u003cli\u003e4.31\" depth: more media surface area, reducing pressure drop versus thinner filters.\u003c\/li\u003e\n  \u003cli\u003eDesigned for HVAC and media air cleaner compatibility to preserve system performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat particles and allergens will this Filtrete filter remove?\u003c\/h3\u003e\n\u003cp\u003eThe filter is intended to reduce airborne contaminants commonly found in homes. It collects a range of particle sizes so you’ll notice fewer visible dust and fewer small irritants that circulate with forced air.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge particles: dust, pollen, lint and mold spores.\u003c\/li\u003e\n  \u003cli\u003eMicroparticles: pet dander, smoke residues and smog-related particulates.\u003c\/li\u003e\n  \u003cli\u003eHousehold debris: fibers and general airborne grime that shortens system cleanliness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the 4-inch Filtrete filter and how can I remember?\u003c\/h3\u003e\n\u003cp\u003eFor most homes, a single filter can be used up to 12 months, but heavy use, pets, smoking or local air quality may require earlier replacement. Filtrete recommends checking the filter periodically and using reminders to stay on schedule.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical service life: up to 12 months under normal household conditions.\u003c\/li\u003e\n  \u003cli\u003eShorten interval when you have pets, smokers, or high local pollution.\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App to set 90-, 180- or 365-day change reminders.\u003c\/li\u003e\n  \u003cli\u003eInspect visually every few months to confirm airflow and cleanliness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my system and what should I know about sizing?\u003c\/h3\u003e\n\u003cp\u003eEach filter’s exact dimensions are 15.88\" x 24.56\" x 4.31\", so verify your unit can accommodate a 4-inch thickness. They are compatible with many media air cleaners and common furnace and AC housings that accept thicker filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact size: 15.88 in x 24.56 in x 4.31 in; labeled nominal as 16x25x4.\u003c\/li\u003e\n  \u003cli\u003eFits systems designed for 4\" filters or larger; check clearance before installing.\u003c\/li\u003e\n  \u003cli\u003eCompatible with select Honeywell and Lennox media air cleaner setups.\u003c\/li\u003e\n  \u003cli\u003eSold as a convenient 2-pack for staggered replacement schedules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: Homeowners and renters seeking a higher-efficiency, long-life HVAC filter that balances effective particle capture with system airflow. It’s a practical choice for households with pets, seasonal allergies, or moderate urban pollution who want a reliable 12-month option and compatibility with common media air cleaner systems. Choose this Filtrete MERV 11, MPR 1000 two-pack if you want thicker media for better dust-holding capacity and an easy replacement cadence with smart reminders.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long will each Filtrete 4-inch filter last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under normal conditions, up to 12 months; inspect more often if you have pets, smokers, or poor outdoor air.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this filter fit my furnace or media air cleaner?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Exact size is 15.88 x 24.56 x 4.31 inches; it fits systems that accept 4-inch filters and many Honeywell or Lennox media cleaners.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54585509085523,"sku":"B09RQCMR5V","price":129.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-16x25x4-frontal-empaque.jpg?v=1786671647"},{"product_id":"simply-filtro-de-aire-18x18x1-merv-8-paquete-de-6-hasta-3-meses-de-duracion","title":"Simply 18x18x1 Air Filter MERV 8 — 6 Pack (17.75x17.75x0.75) Pleated for Dust \u0026 Pet Dander","description":"\u003cp\u003e\u003cstrong\u003eSimply 18x18x1 MERV 8 air filters (six-pack) are pleated HVAC filters sized 17.75\" x 17.75\" x 0.75\" that capture common household particles to improve indoor air quality.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese six pleated filters are designed for straightforward replacement in most residential and light-commercial furnaces, air conditioners, and HVAC return grilles. Built with a denser media and a higher pleat count than many retail options, they balance particle capture with steady airflow. Each filter is shrink-wrapped for clean delivery and made in the USA from domestic components.\u003c\/p\u003e\n\n\u003ch3\u003eHow well will these filters remove dust, pet dander, and pollen?\u003c\/h3\u003e\n\u003cp\u003eThe MERV 8 rating makes these filters effective at trapping larger airborne contaminants like dust, lint, pet dander, and pollen without overly restricting airflow. They are a practical choice for homes that need routine particle control rather than specialized fine particle filtration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoves common particles such as dust, pet hairs, and pollen\u003c\/li\u003e\n  \u003cli\u003eHigher pleat count increases surface area for better capture\u003c\/li\u003e\n  \u003cli\u003eBalances filtration with system airflow to protect HVAC components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these fit my existing HVAC or furnace?\u003c\/h3\u003e\n\u003cp\u003eEach filter measures an actual 17.75\" x 17.75\" x 0.75\", intended for slots labeled 18\" x 18\" x 1\"—a common residential size. They are compatible with most brands and central system designs; simply follow the airflow arrows when installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual dimensions match standard 18x18x1 housings\u003c\/li\u003e\n  \u003cli\u003eWorks in furnaces, air conditioners, heat pumps, and return grilles\u003c\/li\u003e\n  \u003cli\u003eEasy slide-in installation; no tools required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will each filter last and how should I maintain them?\u003c\/h3\u003e\n\u003cp\u003eEach unit provides reliable performance for up to three months under typical household conditions; homes with heavy pet hair or high dust may need more frequent changes. Inspect monthly and replace sooner if visibly dirty or if airflow drops noticeably.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended replacement interval: up to 3 months\u003c\/li\u003e\n  \u003cli\u003eCheck monthly in high-use or high-dust environments\u003c\/li\u003e\n  \u003cli\u003eDispose of used filters in normal waste; replace with fresh unit from the pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes Simply filters different from other retail brands?\u003c\/h3\u003e\n\u003cp\u003eSimply filters use a tighter pleat arrangement to increase filtration surface area while maintaining adequate airflow for most residential systems. They’re manufactured in the USA from domestic parts and arrive individually shrink-wrapped to stay clean until installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher pleat count than many store-brand filters for increased capture\u003c\/li\u003e\n  \u003cli\u003eHeat-sealed packaging to prevent shipping dust and germs\u003c\/li\u003e\n  \u003cli\u003eMade in the USA using 100% American components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners, renters, and facility managers seeking an affordable, reliable air filter for routine particle control will find this six-pack convenient. It’s well suited for families with pets, allergy-aware households that need regular particle reduction, and anyone who wants an easy-to-install filter made with U.S.-sourced parts. Choose the Simply 18x18x1 MERV 8 six-pack for straightforward maintenance, consistent airflow, and cleaner indoor air without upgrading to higher-MERV media.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these filters fit standard 18x18x1 slots?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The actual dimensions are 17.75\" x 17.75\" x 0.75\", designed for standard 18x18x1 housings and return grilles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace each filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every three months under normal use; check monthly and change sooner in homes with heavy dust or pets.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Simply","offers":[{"title":"Default Title","offer_id":54585509118291,"sku":"B09RHMBGVX","price":96.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/simply-filtro-frontal-empaque.jpg?v=1786671645"},{"product_id":"simply-filtro-de-aire-20x20x1-merv-11-paquete-de-6-captura-polvo-caspa-y-polen-3-meses-de-vida","title":"Simply 20x20x1 Air Filter MERV 11 (6-Pack) — 19.75\"x19.75\"x0.75\" High-Pleat MPR 1000 for Dust \u0026 Allergy Control","description":"\u003cstrong\u003eSimply 20x20x1 MERV 11 air filters are a six-pack of high-pleat replacement filters sized to fit most 20\"x20\" HVAC slots and trap a wide range of airborne particles for cleaner indoor air.\u003c\/strong\u003e\n\n\u003cp\u003eThis six-pack of Simply filters (actual dimensions 19.75\" x 19.75\" x 0.75\") is designed as a universal, easy-to-install HVAC and furnace filter with MERV 11 performance (MPR ~1000). Built with extra pleats and quality media, these filters balance airflow and particle capture for everyday households, pet owners, and people who want reduced dust and allergens without specialized equipment or complicated maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eHow effectively does this filter reduce common household particles?\u003c\/h3\u003e\n\u003cp\u003eThese MERV 11 filters capture a broad range of medium-size particles that circulate in homes and small businesses. They reduce dust, pollen, pet dander, mold spores, and many airborne contaminants from vehicle exhaust and cooking.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated to trap a large portion of particles in the 1–3 micron range and many larger particles.\u003c\/li\u003e\n  \u003cli\u003ePleated media increases surface area to improve capture without severely restricting airflow.\u003c\/li\u003e\n  \u003cli\u003eGood for routine seasonal allergy control and general indoor air quality improvement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these Simply filters fit my HVAC or furnace unit?\u003c\/h3\u003e\n\u003cp\u003eYes—the listed dimensions are 19.75\" x 19.75\" x 0.75\", intended for nominal 20\" x 20\" x 1\" filter slots. They are compatible with most residential and commercial return grilles, furnaces, heat pumps, and air conditioners that accept a 1\" filter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual size designed for a snug, standard fit in 20\"x20\" housings.\u003c\/li\u003e\n  \u003cli\u003eWorks with a wide range of brands and models that accept 1\" filters.\u003c\/li\u003e\n  \u003cli\u003eInstall by aligning the arrow with airflow direction and sliding into the slot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will one filter last and how easy is replacement?\u003c\/h3\u003e\n\u003cp\u003eEach Simply filter provides reliable filtration for up to three months under typical residential use, though heavier dust, pets, or high-traffic environments may require more frequent changes. Replacement is simple and quick.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended change interval: up to 90 days for normal household conditions.\u003c\/li\u003e\n  \u003cli\u003eReplace sooner if visibly dirty or if HVAC performance drops.\u003c\/li\u003e\n  \u003cli\u003ePackaged in heat-sealed shrink wrap to keep filters germ- and dust-free until installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat manufacturing and quality details should I know?\u003c\/h3\u003e\n\u003cp\u003eThese filters are made in the USA using American components and incorporate recycled materials where possible. High pleat counts and consistent media construction help maintain performance across the six-pack delivery.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProudly manufactured in the United States with domestic components.\u003c\/li\u003e\n  \u003cli\u003eHigher pleat density than many retail-grade filters for improved media area.\u003c\/li\u003e\n  \u003cli\u003eDelivered sealed to protect cleanliness and integrity before use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This Simply filter six-pack is suited to homeowners, renters, pet owners, and small commercial spaces that need dependable, mid-level filtration without specialty installations. Choose this product if you want an affordable, easy-to-replace MERV 11 option that fits most standard 20\" x 20\" filter slots and helps reduce dust, pollen, and pet dander for better everyday indoor comfort.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these filters compatible with 20x20 HVAC systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The actual size is 19.75\" x 19.75\" x 0.75\" and fits standard 20\"x20\"x1\" slots in most HVAC and furnace units.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace a Simply MERV 11 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically every three months under normal conditions, sooner if you have pets, heavy dust, or allergy concerns.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Simply","offers":[{"title":"Default Title","offer_id":54585512001875,"sku":"B09T1DPW45","price":109.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/simply-filtro-empaque-frontal.jpg?v=1786671663"},{"product_id":"filtrete-filtro-hvac-20x25x1-mpr-700-merv-8-4-pack-1-pulgada-plisado-electrostatico-3-meses","title":"Filtrete 20x25x1 Furnace AC Air Filter, 4-Pack MPR 700 (MERV 8) — 1\" Pleated Electrostatic, 3-Month Life","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x25x1 MPR 700 is a 1-inch pleated, electrostatically charged HVAC filter that captures lint, pollen, dust and pet dander while maintaining healthy airflow for up to 90 days per filter.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you want a reliable, no-fuss replacement filter for your furnace or air conditioner that balances particle capture with system airflow, this Filtrete 4-pack is built for routine home use. Each pleated filter uses an electrostatic charge to attract and hold particles that ordinary non-electrostatic or washable filters can miss. The pack gives you a three-month service interval per filter under typical household conditions, plus compatibility with Filtrete's Smart App for replacement reminders.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve everyday indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe electrostatically charged media draws in and traps airborne particles as air cycles through your HVAC system. It’s designed to remove common household contaminants without significantly restricting airflow, which helps maintain heating and cooling efficiency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrostatic pleated media for enhanced particle attraction.\u003c\/li\u003e\n  \u003cli\u003eMPR 700 (equivalent to MERV 8) for capturing pollen, pet dander and dust.\u003c\/li\u003e\n  \u003cli\u003ePleated design increases surface area compared to flat filters.\u003c\/li\u003e\n  \u003cli\u003eRecommended 90-day replacement to sustain performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it fit my system and affect HVAC performance?\u003c\/h3\u003e\n\u003cp\u003eThe listed actual size is 19.880 x 25.563 x 0.8125 inches; confirm your unit accepts a 20x25x1 filter before ordering. Because the filter is a 1-inch pleated design with balanced resistance, it’s suitable for most residential furnaces, air handlers and window AC units that specify a 1-inch filter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck your system’s filter slot for the 20x25x1 dimension.\u003c\/li\u003e\n  \u003cli\u003e1-inch nominal thickness is compatible with common residential HVAC systems.\u003c\/li\u003e\n  \u003cli\u003eDesigned to maintain adequate airflow while trapping particles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the filter and how can I remember?\u003c\/h3\u003e\n\u003cp\u003eFiltrete recommends replacing these 1-inch pleated filters every 90 days under normal household conditions. If you have pets, allergy sufferers, or higher indoor pollution, consider checking and replacing filters more frequently.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFactory-specified 3-month replacement interval for typical use.\u003c\/li\u003e\n  \u003cli\u003eShorten replacement cycles for pets, renovation dust, or high pollen seasons.\u003c\/li\u003e\n  \u003cli\u003eScan the barcode in the Filtrete Smart App to set 30\/60\/90-day reminders and get notifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes Filtrete different from basic fiberglass or washable filters?\u003c\/h3\u003e\n\u003cp\u003eUnlike flat fiberglass or washable filters, Filtrete’s pleated, electrostatically charged media provides more capture surface and an active attraction mechanism for small particles. This results in better particle retention while still allowing sufficient airflow for routine HVAC operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePleated construction increases filtering area versus fiberglass panels.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic charge helps trap smaller particles that slip past non-electrostatic media.\u003c\/li\u003e\n  \u003cli\u003eRated by MPR and MERV systems (MPR 700 corresponds to MERV 8) for performance clarity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and renters looking for an affordable, regularly scheduled air filter that improves capture of everyday particles without overburdening HVAC systems. It’s a practical choice for households with seasonal allergies, pets, or anyone wanting a straightforward upgrade from basic flat or washable filters. If you need higher-efficiency filtration for specialized health or industrial needs, consider higher MPR\/MERV options appropriate for your system and professional guidance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does MPR 700 mean for filter performance?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MPR 700 indicates Filtrete’s particle removal rating roughly equivalent to MERV 8, effective for capturing pollen, dust and pet dander.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace this 1-inch Filtrete filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 90 days under normal conditions; more often if you have pets, renovations, or heavy dust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54585518424403,"sku":"B0B1NVDCVN","price":117.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-4pack.jpg?v=1786671684"},{"product_id":"filtrete-16x20x1-furnace-ac-air-filter-4-pack-mpr-700-merv-8-1-inch-pleated-electrostatic-3-month","title":"Filtrete 16x20x1 Furnace \u0026 AC Air Filter, 4-Pack MPR 700 (MERV 8) — 1-inch Pleated Electrostatic, 3-Month","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 16x20x1 MPR 700 is a 1-inch electrostatic pleated furnace and AC air filter sold as a 4-pack, rated MPR 700 (equivalent to MERV 8) and designed for three-month use to capture lint, pollen, dust and pet dander while maintaining good airflow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you want a straightforward, affordable upgrade from standard fiberglass or washable filters, this Filtrete set offers an easy-to-install, pleated electrostatic option that balances particle capture and airflow. Each filter in the pack measures an actual 15.688 x 19.688 x 0.78 inches and is intended for routine replacement every 90 days in typical household HVAC systems. Filtrete’s electrostatic charge and pleated construction help attract and retain more airborne particles than non-electrostatic 1-inch filters, making regular indoor air maintenance simpler.\u003c\/p\u003e\n\n\u003ch3\u003eHow much particle removal can I expect from MPR 700 (MERV 8)?\u003c\/h3\u003e\n\u003cp\u003eMPR 700 corresponds to a MERV 8 performance level, which captures a broad range of common home particles without restricting airflow. It is designed to trap larger particulates like pollen and pet dander and reduce visible dust accumulation on surfaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEffective on lint, pollen, dust and pet dander\u003c\/li\u003e\n  \u003cli\u003eCaptures many particles that plain fiberglass and washable filters miss\u003c\/li\u003e\n  \u003cli\u003eMPR 700 provides a balance of capture and airflow for residential systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my 16x20x1 furnace or AC slot and how often should I replace it?\u003c\/h3\u003e\n\u003cp\u003eThe listed dimensions are actual measurements of 15.688 x 19.688 x 0.78 inches, made to work in standard 16x20x1 housings. Filtrete recommends changing 1-inch pleated filters every 90 days under normal home conditions; homes with pets, allergies, or higher dust loads may need more frequent swaps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual size provided to ensure correct installation\u003c\/li\u003e\n  \u003cli\u003eReplace approximately every 3 months for routine use\u003c\/li\u003e\n  \u003cli\u003eUse more frequent changes in pet or high-dust environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the electrostatic pleated design help my HVAC system?\u003c\/h3\u003e\n\u003cp\u003eElectrostatic pleats use a charged material to attract and hold particles as air passes through, increasing capture efficiency without dramatically increasing resistance. The pleated shape increases filter surface area, which helps keep airflow steady and reduces strain on your heating and cooling equipment compared with denser high-MERV options.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrostatic charge attracts airborne particles for better capture\u003c\/li\u003e\n  \u003cli\u003ePleated construction increases surface area to preserve airflow\u003c\/li\u003e\n  \u003cli\u003eBalanced design helps protect HVAC components while maintaining efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow can I keep track of replacement dates easily?\u003c\/h3\u003e\n\u003cp\u003eFiltrete supports a simple digital reminder via the Filtrete Smart App: scan the barcode on the packaging and set a 30, 60 or 90-day countdown to receive a notification when it’s time to swap filters. For hands-on users, mark a date on the filter frame or set a calendar reminder to keep replacements consistent.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eScan packaging barcode in the Filtrete Smart App to set reminders\u003c\/li\u003e\n  \u003cli\u003eChoose a 30\/60\/90-day countdown depending on home conditions\u003c\/li\u003e\n  \u003cli\u003eManual backups: label filters or set calendar alerts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: homeowners and renters seeking a cost-effective, low-effort way to improve household air quality without the airflow penalties of denser filters. The Filtrete 16x20x1 MPR 700 4-pack fits typical residential furnaces and AC systems, is useful for homes with pets or seasonal pollen exposure, and suits anyone who prefers scheduled, three-month maintenance cycles. If you need higher microscopic particle capture (for specialized medical or industrial needs), consider higher-MERV options; for everyday dust and pet dander control with reliable airflow, this Filtrete filter is a practical choice.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is MPR 700 the same as MERV 8?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. MPR 700 corresponds to a MERV 8 performance level, suitable for trapping common household particles while maintaining airflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change the Filtrete 1-inch filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 90 days for typical homes; change more often if you have pets, allergies, or high dust levels.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54585518489939,"sku":"B0B1PFJ1Z4","price":100.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-4-pack.jpg?v=1786671682"},{"product_id":"filtrete-filtro-electrostatico-20x20x1-merv-8-mpr-700-4-unidades-1-pulg-pleado-captura-polvo-y-polen","title":"Filtrete 20x20x1 Furnace\/AC Air Filter MERV 8 (MPR 700) 4-Pack — 1\" Pleated Electrostatic, 90-Day","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x20x1 MERV 8 (MPR 700) is a pleated electrostatic air filter designed to capture lint, pollen, dust, and pet dander while maintaining good airflow for 90-day service intervals.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you want a reliable furnace or AC filter that balances particle capture with HVAC performance, this Filtrete 4-pack offers an electrostatically charged 1-inch pleated design rated MPR 700 (equivalent to MERV 8). It’s engineered to attract and trap common household particles more effectively than non-electrostatic or washable fiberglass filters, and it’s sized to fit standard 20 x 20 x 1 filter slots (actual size 19.880 x 19.880 x 0.78 in). The package contains four filters meant for roughly 90 days of use per filter under typical residential conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve indoor air without restricting airflow?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete 3-in-1 technology combines pleated media and an electrostatic charge, which pulls particles from the airstream while preserving low resistance to airflow. That helps your furnace or air conditioner run efficiently and keeps ventilation effective. It outperforms basic fiberglass and washable designs at capturing small to medium particles without creating excessive pressure drop.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrostatic pleated media attracts and holds particles.\u003c\/li\u003e\n  \u003cli\u003eMERV 8 (MPR 700) balance of capture vs airflow for residential HVAC.\u003c\/li\u003e\n  \u003cli\u003eDesigned for typical 90-day replacement to maintain system efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat types of particles will the MPR 700 filter capture in my home?\u003c\/h3\u003e\n\u003cp\u003eMPR 700 targets common airborne irritants found around homes, reducing the concentration of lint, pollen, dust, and pet dander as air cycles through your system. While not a hospital-grade filter, it meaningfully reduces these everyday particles and helps keep vents, coils, and ducts cleaner. It’s a practical step toward fresher indoor air when combined with regular cleaning and ventilation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEffective on pollen and pet dander that aggravate allergies.\u003c\/li\u003e\n  \u003cli\u003eCaptures household dust, lint, and larger airborne particulates.\u003c\/li\u003e\n  \u003cli\u003eHelps reduce buildup on HVAC components, supporting performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change the filter and how do I track replacements?\u003c\/h3\u003e\n\u003cp\u003eFor a 1-inch Filtrete filter, change every 90 days under normal household conditions; households with pets, smokers, or higher dust loads may need to change it every 30–60 days. Filtrete supports replacement tracking via the Filtrete Smart App: scan the barcode, choose a 30\/60\/90-day cycle, and receive a notification when it’s time to swap filters. Regular replacement preserves capture efficiency and keeps your system running smoothly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard recommendation: replace every 90 days for 1-inch filters.\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App barcode scan to set reminders.\u003c\/li\u003e\n  \u003cli\u003eIncrease frequency for pets, allergies, or heavy particulate loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my HVAC system and will it affect performance?\u003c\/h3\u003e\n\u003cp\u003eThe filters are labeled for nominal 20x20x1 filter slots; actual dimensions are 19.880 x 19.880 x 0.78 inches, so verify your return grille or filter cabinet accepts these actual measurements. Because it’s designed for low resistance airflow at MERV 8, most residential furnaces and air conditioners will operate without added strain. Always confirm your system’s filter size and manufacturer guidance before installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual dimensions: 19.880 x 19.880 x 0.78 in — check your slot clearance.\u003c\/li\u003e\n  \u003cli\u003eMERV 8 (MPR 700) suitable for most residential HVAC setups.\u003c\/li\u003e\n  \u003cli\u003eFour filters in the pack for multiple change cycles or multiple units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Filtrete 4-pack is a good fit for homeowners and renters who want better-than-basic filtration for everyday household particles without the airflow penalties of higher-MERV industrial filters. It’s especially useful for homes with pets, seasonal pollen, or routine dust where balanced performance, easy app-based replacement reminders, and trusted brand reliability are priorities.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is MPR 700 the same as MERV 8?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. MPR 700 corresponds to a MERV 8 rating, meaning it captures medium-sized particles while maintaining good airflow for residential systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this filter in both furnace and central AC?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This 1-inch Filtrete filter is suitable for most furnaces and central air conditioning systems that accept 20x20x1 filters.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54585518457171,"sku":"B0B1P17ZD6","price":97.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-20x20x1-frontal-packaging.jpg?v=1786671684"}],"url":"https:\/\/findsworth.co.uk\/collections\/furnace-filters.oembed?page=3","provider":"Findsworth","version":"1.0","type":"link"}