{"title":"20x25x1 Air Filters","description":"\u003cp\u003eBrowse 14 20x25x1 air filters at Findsworth, from brands including Filtrete, BNX, Aerostar. Prices currently range from £70.81 to £140.10. Not sure what to choose? Read \u003ca href=\"\/blogs\/news\/hvac-air-filters-guide-uk\"\u003eour guide to HVAC and air conditioning filters\u003c\/a\u003e. See the full \u003ca href=\"\/collections\/hvac\"\u003eHVAC filters \u0026amp; accessories\u003c\/a\u003e range, and always check your unit's filter size and rating before ordering.\u003c\/p\u003e\u003cp\u003eEvery order ships free across the UK with free 30-day returns. Looking for something else? Browse \u003ca href=\"\/pages\/all-categories\"\u003eall categories\u003c\/a\u003e or \u003ca href=\"\/pages\/all-brands\"\u003eall brands\u003c\/a\u003e.\u003c\/p\u003e","products":[{"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\n\n\u003csection class=\"findsworth-buying-guide\"\u003e\u003ch2\u003eCheck the 20 × 25 × 1-inch size before ordering\u003c\/h2\u003e\n\u003cp\u003eThis listing is a 6-pack of nominal 20 × 25 × 1-inch Filtrete filters. Its MPR 1000 family is rated MERV 11. Match the filter slot and the dimensions printed on your current frame.\u003c\/p\u003e\n\u003cp\u003eWrite down all three dimensions from the existing filter, including depth, before comparing pack prices. A 1-inch filter is not a direct choice for a cabinet requiring a deep-pleat filter.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.filtrete.com\/3M\/en_US\/p\/d\/b5005547022\/\"\u003eFiltrete MPR 1000 family reference\u003c\/a\u003e. Our \u003ca href=\"\/pages\/hvac-filter-size-guide\"\u003efilter size guide\u003c\/a\u003e explains the measurements to compare.\u003c\/p\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":"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-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-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":"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-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":"colorfil-filtro-de-aire-20x25x1-2-unidades-merv-8-color-cambiante-para-olores-de-mascotas-ajuste-exacto","title":"Colorfil MERV 8 20x25x1 Air Filter 2-Pack — Pet Odour Adsorbing, Colour-changing Indicator (Pink→Yellow)","description":"\u003cp\u003e\u003cstrong\u003eColorfil 20x25x1 is a two-pack HVAC air filter engineered to reduce pet odors, capture pet hair and dander, and signal replacement with a pink-to-yellow color change.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned and manufactured in the USA, this Colorfil filter fits 19.5\" x 24.5\" x 0.75\" housings and delivers MERV 8 particle filtration with a gas-phase odor-adsorbing layer. Rather than masking smells with fragrances, the product’s proprietary chemistry targets gaseous odors while the pleated media traps dust, lint, and pet debris. The visible color-shift feature provides an easy, at-a-glance reminder when the filter is spent and needs swapping.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter tackle pet odors without perfume?\u003c\/h3\u003e\n\u003cp\u003eThe filter uses a gas-phase adsorbent layer that binds odor molecules instead of covering them with scent. Over time, the adsorbent becomes saturated and that saturation is shown through a gradual color change from bright pink to yellow, indicating replacement is needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 8 pleated media captures larger particles—hair, dander, and dust.\u003c\/li\u003e\n  \u003cli\u003eOdor-adsorbing layer removes gaseous compounds tied to pet smells.\u003c\/li\u003e\n  \u003cli\u003eNo added fragrances—neutralizes odors rather than masking them.\u003c\/li\u003e\n  \u003cli\u003eVisible pink-to-yellow color shift signals filter life remaining.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this size fit my standard grille or furnace slot?\u003c\/h3\u003e\n\u003cp\u003eColorfil’s nominal size is 20\" x 25\" x 1\", while its exact physical dimensions are 19.5\" x 24.5\" x 0.75\", so it fits many common residential HVAC and furnace filter slots. Always measure your filter slot and compare to the exact dimensions before purchasing to ensure a proper snug fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal size: 20\" x 25\" x 1\" for quick compatibility checks.\u003c\/li\u003e\n  \u003cli\u003eExact size: 19.5\" x 24.5\" x 0.75\" to confirm physical fit.\u003c\/li\u003e\n  \u003cli\u003eWorks in furnaces, air handlers, and many return-air grilles.\u003c\/li\u003e\n  \u003cli\u003eSold as a convenient 2-pack for back-to-back replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow efficient is this filter and what does MERV 8 mean for my home?\u003c\/h3\u003e\n\u003cp\u003eMERV 8 indicates moderate particle-capturing ability—effective at removing common household particulates like pet hair, lint, and larger dust while preserving airflow and HVAC efficiency. It’s a practical balance for homes with pets where heavy filtration could restrict system performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCatches common airborne particulates but not ultrafine molecular particles.\u003c\/li\u003e\n  \u003cli\u003eDesigned to maintain good airflow and system efficiency.\u003c\/li\u003e\n  \u003cli\u003eAppropriate for routine residential use, especially with pets.\u003c\/li\u003e\n  \u003cli\u003eRecommended replacement when color shift indicates saturation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should I change the filter and how do I know it’s time?\u003c\/h3\u003e\n\u003cp\u003eThe built-in visual indicator removes guesswork: the filter begins pink and gradually shifts to yellow as odor adsorption capacity is used up. Replace the filter when the color change is obvious or per your HVAC manufacturer’s recommended interval for MERV 8 filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStart color: bright pink; End color: yellow—replacement cue.\u003c\/li\u003e\n  \u003cli\u003eCheck monthly during heavy pet shedding seasons or high use.\u003c\/li\u003e\n  \u003cli\u003eFollow HVAC system guidance for maximum efficiency and warranty.\u003c\/li\u003e\n  \u003cli\u003eKeep a spare from the 2-pack on hand for easy swap-outs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Colorfil 20x25x1 two-pack is made for pet owners, apartment dwellers, and families who want a fragrance-free way to reduce pet odors, hair, and dander without overly restricting HVAC airflow. It’s also a good choice for anyone seeking a clear visual replacement indicator and an American-made filter that balances odor control and particle capture for everyday residential 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: Does this filter remove pet dander?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The MERV 8 pleated media captures pet hair and larger dander particles common in homes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does the color indicator work?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The filter’s adsorbent turns from pink to yellow as it absorbs odor molecules, signaling it’s time to replace.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Colorfil","offers":[{"title":"Default Title","offer_id":54585674498387,"sku":"B094X7LVGM","price":98.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/colorfil-filtro-frontal-empaque.jpg?v=1786672202"},{"product_id":"simply-filtro-de-aire-pleado-20x25x1-merv-8-paquete-6-alta-captura-de-polvo-y-alergias","title":"Simply 20x25x1 MERV 8 Air Filter 6-Pack — Pleated HVAC Filters for Dust, Pet Dander \u0026 Allergy Control","description":"\u003cp\u003e\u003cstrong\u003eSimply 20x25x1 MERV 8 air filters are pleated HVAC filters sold in a six-pack that help reduce dust, pet dander, pollen and common airborne particles in homes and small commercial systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Simply Filters arrive as a six-count set sized to fit standard 20\" x 25\" x 1\" housings (actual dimensions 19.75\" x 24.75\" x 0.75\") and are built with extra pleats to increase capture surface while maintaining good airflow. Made in the USA from American-sourced components, they are compatible with most residential furnaces, air conditioners, heat pumps and return grills. Packaged in heat-sealed shrink wrap to arrive clean, the filters are rated MERV 8 — a practical balance of particle removal and system efficiency for everyday indoor environments.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these filters improve everyday indoor air?\u003c\/h3\u003e\n\u003cp\u003eMERV 8 media captures a wide range of medium-sized particles that commonly circulate indoors. The higher pleat count increases filter surface area so it traps more dust and allergens before they reach vents or blowers, helping reduce dust buildup around the home.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoves dust, lint, pet dander and pollen common in living spaces\u003c\/li\u003e\n  \u003cli\u003eAdvanced pleated design for increased particle capture per filter\u003c\/li\u003e\n  \u003cli\u003eHelps keep HVAC components cleaner between service intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these fit my furnace or air handler?\u003c\/h3\u003e\n\u003cp\u003eYes — the filters are nominally labeled 20\" x 25\" x 1\" and their actual dimensions (19.75\" x 24.75\" x 0.75\") fit standard 20x25x1 slots used in many residential and light-commercial systems. They are designed to be compatible with most brands and model housings that accept a 1-inch filter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual measured size provided for exact fit verification\u003c\/li\u003e\n  \u003cli\u003eCompatible with typical return grills and filter slots in homes\u003c\/li\u003e\n  \u003cli\u003eComparable sizing to popular retail brands for easy replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long does each filter last and how do I replace them?\u003c\/h3\u003e\n\u003cp\u003eEach filter is rated for up to three months of normal residential use, depending on household conditions such as pets, occupancy and local air quality. Replacement is simple: follow the airflow arrows on the filter frame and slide it into the slot or return grill; dispose of the used filter and install the fresh one from the pack.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical service interval: up to 3 months under average conditions\u003c\/li\u003e\n  \u003cli\u003eClear airflow arrows simplify correct installation orientation\u003c\/li\u003e\n  \u003cli\u003eHeat-sealed packaging keeps filters clean until use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes these Simply Filters different from other retail filters?\u003c\/h3\u003e\n\u003cp\u003eThese filters emphasize increased pleat count and U.S.-sourced manufacturing to offer reliable capture without excessive airflow restriction. They balance particle removal with system efficiency and come in multi-packs that reduce per-filter cost compared with single purchases.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher pleat density for better surface area than many store-brand options\u003c\/li\u003e\n  \u003cli\u003eMade in the USA using American components and recycled materials\u003c\/li\u003e\n  \u003cli\u003eSold in convenient six-packs and available for subscription delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners, renters and small-business operators looking for an affordable, easy-to-install MERV 8 replacement filter will find this six-pack useful. It’s suited to households with moderate dust or pet hair, property managers who change filters regularly, and anyone who wants an American-made pleated filter that balances particle capture and airflow. If you need higher-efficiency filtration for specific health or industrial needs, consult an HVAC professional about MERV levels above 8.\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 true 20x25x1 size?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are nominal 20x25x1 with actual dimensions 19.75\" x 24.75\" 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 each filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under normal residential conditions, replace every up to 3 months; replace sooner with heavy pets or high dust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Simply","offers":[{"title":"Default Title","offer_id":54585730826579,"sku":"B07G2KSYZ7","price":121.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/simply-frontal-empaque-6-pack.jpg?v=1786673261"},{"product_id":"bnx-filtros-de-aire-20x25x1-merv-8-paquete-de-6-pleado-electrostatico-baja-resistencia","title":"BNX TruFilter 20x25x1 MERV 8 HVAC Air Filters (6-Pack) — Electrostatic Pleated, Low Resistance","description":"\u003cstrong\u003eBNX TruFilter 20x25x1 MERV 8 is a six-pack of electrostatically charged pleated HVAC filters designed to reduce dust, pet dander, pollen and other common airborne particles while maintaining strong airflow.\u003c\/strong\u003e\n\n\u003cp\u003eIf you want a dependable, American-made replacement for your furnace, air conditioner or HVAC return that balances filtration and system efficiency, this BNX six-pack offers MERV 8 performance in a compact 20x25x1 footprint. Each filter uses 100% synthetic, electrostatically charged media in a pleated design, giving higher particle capture than basic fiberglass panels without adding noticeable resistance to airflow. The filters are manufactured sustainably in Houston, TX, using a single-piece frame to reduce waste and recycled cardboard materials.\u003c\/p\u003e\n\n\u003ch3\u003eHow well does this filter capture everyday pollutants?\u003c\/h3\u003e\n\u003cp\u003eThe BNX TruFilter MERV 8 rating captures a high percentage of common indoor particles, including dust, pet dander, lint, mold spores and larger pollen. It balances efficient particle removal with airflow, so your HVAC system can keep running without undue strain.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated MERV 8 — captures roughly 85% of many microscopic particles\u003c\/li\u003e\n  \u003cli\u003eElectrostatically charged media attracts and holds fine particulates\u003c\/li\u003e\n  \u003cli\u003ePleated design increases surface area for longer life between changes\u003c\/li\u003e\n  \u003cli\u003eComparable performance to MPR 600 and FPR 5 filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters affect my furnace or AC airflow and efficiency?\u003c\/h3\u003e\n\u003cp\u003eBNX engineered the TruFilter to minimize airflow resistance while still improving filtration versus basic fiberglass filters. The synthetic media and pleat pattern provide low pressure drop so the heating or cooling system does not work harder than necessary.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow airflow resistance reduces strain on motors and blowers\u003c\/li\u003e\n  \u003cli\u003eElectrostatic media enhances capture without dense layering\u003c\/li\u003e\n  \u003cli\u003eStandard 1-inch thickness fits most common return slots and housings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes these filters a sustainable, American-made choice?\u003c\/h3\u003e\n\u003cp\u003eAll BNX TruFilters are produced in the United States at a registered Houston facility. Manufacturing emphasizes waste reduction and recycled materials, including a single-piece frame that cuts excess packaging and waste compared with multi-part frames.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured by BNX Converting, LLC in Houston, TX\u003c\/li\u003e\n  \u003cli\u003eEPA-registered facility and quality-controlled production\u003c\/li\u003e\n  \u003cli\u003eSingle-piece frame and recycled cardboard reduce environmental impact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will a filter last and when should I replace it?\u003c\/h3\u003e\n\u003cp\u003eFilter life depends on household conditions like pets, dust levels and HVAC runtime. Many homes see effective performance for 1–3 months; higher particle loads or heavy HVAC use may call for more frequent changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical replacement interval: every 1–3 months depending on use\u003c\/li\u003e\n  \u003cli\u003eHomes with pets or allergy sufferers may need monthly changes\u003c\/li\u003e\n  \u003cli\u003eInspect visually for heavy dust build-up or airflow reduction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The BNX TruFilter 20x25x1 MERV 8 six-pack is aimed at homeowners and renters who need a reliable, low-resistance filter for standard 1-inch return slots and want improved particle capture over fiberglass panels. It suits households with pets or seasonal allergies seeking American-made quality and sustainable packaging. If you want a balance of filtration efficiency and HVAC performance without upgrading to thicker specialty filters, this BNX MERV 8 pack offers an effective, value-oriented 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: Are these BNX filters compatible with my 20x25x1 HVAC slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Actual filter dimensions are 19 11\/16\" x 24 11\/16\" x 3\/4\", designed to fit standard 20x25x1 return slots.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these filters reduce pet dander and pollen?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They help capture dust, pet dander, pollen and similar particles with a MERV 8 electrostatic media, improving indoor cleanliness.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BNX","offers":[{"title":"Default Title","offer_id":54585767002451,"sku":"B0BZQSK18G","price":116.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/bnx-trufilter-frontal-paquete_4f066fc4-1748-405b-ba86-e34813cdcb3e.jpg?v=1786674044"},{"product_id":"bnx-trufilter-20x25x1-merv-11-air-filters-6-pack-electrostatic-pleated-low-resistance","title":"BNX TruFilter 20x25x1 MERV 11 Air Filters (6-Pack) — Electrostatic Pleated, Low Resistance","description":"\u003cstrong\u003eBNX TruFilter 20x25x1 is a MERV 11 electrostatic pleated HVAC filter sold in a 6-pack to reduce airborne dust, pet dander, smoke and common allergens while maintaining low airflow resistance.\u003c\/strong\u003e\n\n\u003cp\u003eThis six-pack of BNX TruFilter replacement filters fits standard 20x25x1 slots and uses a synthetic, electrostatically charged media to trap fine particles without overly restricting airflow. Manufactured in Houston, TX, these filters use a one-piece recycled-cardboard frame and automated production to deliver consistent quality. The filters are sized slightly under the nominal dimension (19 11\/16\" x 24 11\/16\" x 3\/4\") to ensure an easy fit in most HVAC, furnace and air conditioner housings.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the BNX TruFilter improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe MERV 11 rating captures smaller particles than basic fiberglass filters, helping remove dust, pollen, pet dander, lint and some smoke and odor-causing particulates. Electrostatic charging on the synthetic media increases particle attraction without needing denser, more restrictive material, so the system keeps moving air efficiently.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRated MERV 11 for finer particle capture compared to standard filters.\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged synthetic media increases particulate capture.\u003c\/li\u003e\n\u003cli\u003eDesigned to balance filtration performance with low airflow resistance.\u003c\/li\u003e\n\u003cli\u003eNoticeable reduction in airborne dust and allergens within days of installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my HVAC, furnace or AC system?\u003c\/h3\u003e\n\u003cp\u003eThe BNX TruFilter is labeled as 20x25x1 nominal but measures 19 11\/16\" x 24 11\/16\" x 3\/4\" actual, the common convention to ensure smooth insertion. It is compatible with systems that accept standard 20x25x1 filters; always verify your unit’s maximum recommended MERV to avoid warranty or performance concerns.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNominal size: 20x25x1 — Actual size: 19 11\/16\" x 24 11\/16\" x 3\/4\".\u003c\/li\u003e\n\u003cli\u003eFits most residential HVAC, furnace and central air filters designed for 20x25x1.\u003c\/li\u003e\n\u003cli\u003eCheck your system’s manual for recommended MERV limits before upgrading.\u003c\/li\u003e\n\u003cli\u003eEasy-to-insert design reduces risk of gaps and bypass when installed correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long should each filter last and how should I maintain them?\u003c\/h3\u003e\n\u003cp\u003eFilter life depends on indoor pollutant load, pet ownership, smoking and seasonal pollen; typical replacement intervals range from one to three months. Visually inspect the pleats monthly—replace when visibly darkened, airflow drops, or following heavy dust events to keep your system efficient.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTypical replacement: 1–3 months, varies by conditions and usage.\u003c\/li\u003e\n\u003cli\u003eInspect monthly; change when pleats show heavy buildup or reduced airflow.\u003c\/li\u003e\n\u003cli\u003eUse the full six-pack to maintain consistent filtration throughout the year.\u003c\/li\u003e\n\u003cli\u003eStoring unused filters flat in a dry place preserves shape and effectiveness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and manufacturing standards are used in BNX TruFilter?\u003c\/h3\u003e\n\u003cp\u003eBNX TruFilter uses 100% synthetic, electrostatically charged media housed in a single-piece recycled cardboard frame to reduce waste. Manufactured in a registered U.S. facility in Houston, TX, the filters are produced with automated processes and quality checks for consistency across every pack.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade in the USA at BNX Converting, LLC in Houston, TX (EPA-registered facility).\u003c\/li\u003e\n\u003cli\u003eSingle-piece frame design reduces material waste and improves stability.\u003c\/li\u003e\n\u003cli\u003eSynthetic media resists moisture better than fiberglass and holds electrostatic charge.\u003c\/li\u003e\n\u003cli\u003eProduced on automated lines with quality controls for uniform performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: BNX TruFilter 20x25x1 MERV 11 (6-Pack) is suited for homeowners and renters who want a step up from basic fiberglass filters—especially those with pets, seasonal allergies, or light smoke exposure—yet still need to preserve HVAC airflow. It’s a practical choice for anyone seeking American-made filters with a focus on consistent filtration performance, sustainable packaging, and straightforward installation in common 20x25x1 filter slots.\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 BNX TruFilter MERV 11 safe for home HVAC systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — MERV 11 filters are generally safe for most residential systems, but check your HVAC manual for any maximum recommended MERV rating.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change a BNX TruFilter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 1–3 months depending on pets, smoking, dust levels, and seasonal pollen; inspect monthly for heavy buildup.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BNX","offers":[{"title":"Default Title","offer_id":54585767625043,"sku":"B0C1M2QCBP","price":118.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/bnx-trufilter-front-packaging_4163a586-32e5-464f-b2c6-e05a3a3f3f09.jpg?v=1786674068"},{"product_id":"filtrete-filtro-20x25x1-merv-13-mpr-1900-pack-2-alta-captura-y-alto-flujo","title":"Filtrete 20x25x1 Air Filter MERV 13 (MPR 1900) 2-Pack — 1\" Pleated High Airflow for Home HVAC","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x25x1 MERV 13 (MPR 1900) is a two-pack, 1-inch pleated HVAC filter designed to trap a wide range of airborne particles while maintaining high airflow for residential heating and cooling systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you want a replacement filter that balances strong particle capture with efficient airflow, this Filtrete set is engineered for typical home furnaces and air conditioners. Made with Filtrete’s 3-in-1 filtration technology and rated MPR 1900 \/ MERV 13, these 1-inch pleated filters are intended for seasonal use and routine replacement every 90 days for best results.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter perform without overworking my HVAC system?\u003c\/h3\u003e\n\u003cp\u003eFiltrete’s MPR 1900 filters are built to deliver higher airflow than many other 1\" MERV 13 retail filters while still removing fine and larger particles. That means your system can move air efficiently while the media captures contaminants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHighest reported airflow among residential 1\" MERV 13 filters (California Energy Commission data).\u003c\/li\u003e\n  \u003cli\u003ePleated design increases surface area for filtration with lower resistance.\u003c\/li\u003e\n  \u003cli\u003eWorks with most standard furnace and air handler units rated for 1\" filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of particles will this Filtrete filter capture?\u003c\/h3\u003e\n\u003cp\u003eThe filter is designed to trap a spectrum of particles, from larger debris like lint and pollen to many microparticles down to the submicron range. It’s useful for general household air cleaning, including pet dander and smoke particulates.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMPR 1900 and MERV 13 rating for enhanced microparticle capture (0.3–1.0 micron range).\u003c\/li\u003e\n  \u003cli\u003eEffective against common allergens: dust, pollen, pet dander, and mold spores.\u003c\/li\u003e\n  \u003cli\u003eHelps reduce airborne lint and household dust accumulation on surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change the Filtrete 20x25x1 filter and how do I remember?\u003c\/h3\u003e\n\u003cp\u003eFor typical residential use, Filtrete recommends replacing this 1-inch pleated filter every 90 days, though homes with pets or heavy pollutant loads may need more frequent changes. Filtrete’s Smart App can simplify reminders by scanning the barcode and setting a 30-, 60- or 90-day countdown.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard replacement interval: every 90 days for normal household conditions.\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App for barcode scanning and automated reminders.\u003c\/li\u003e\n  \u003cli\u003eShorten the interval in homes with smokers, pets, or high dust load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this Filtrete filter appropriate for allergy or asthma concerns?\u003c\/h3\u003e\n\u003cp\u003eThis filter is certified asthma- and allergy-friendly and captures many airborne allergens commonly found in homes. It’s intended to contribute to cleaner indoor air when used properly and replaced on schedule, though it is not a medical device.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCertified asthma and allergy-friendly per the referenced certification.\u003c\/li\u003e\n  \u003cli\u003eReduces common household allergens and airborne dust.\u003c\/li\u003e\n  \u003cli\u003eRecommended as part of a broader indoor air quality approach (ventilation, cleaning).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this Filtrete 20x25x1 MERV 13 pack for? This product suits homeowners and renters who want a high-performance replacement filter that balances strong particle capture with maintained airflow. It’s a practical choice for households with pets, seasonal allergy concerns, or anyone seeking reliable, easy-to-install 1\" filters and app-based reminder tools. Use in residential furnaces, air handlers, and central air systems; replace regularly for best operation.\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: Can I use this 1-inch filter in any home HVAC system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes for most residential systems that accept 1\" filters; always confirm your unit’s filter size and compatibility first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does each Filtrete filter last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each filter is designed for up to 90 days under normal household conditions; replace sooner with pets or heavy stains.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54585998573907,"sku":"B00TUDHC0O","price":90.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-20x25x1_9cb48e55-79e2-44b7-afff-161c0ef1f13b.jpg?v=1786677590"},{"product_id":"filtrete-filtro-de-aire-20x25x1-merv-11-mpr-1000-pack-2-para-alergias-y-caspa-3-meses-de-uso","title":"Filtrete 20x25x1 Air Filter MERV 11 (MPR 1000) 2-Pack — Pleated 3-Month Filters for Allergens \u0026 Pet Dander","description":"\u003cstrong\u003eFiltrete 20x25x1 MERV 11 (MPR 1000) air filters are pleated 1-inch HVAC filters sold as a 2-pack designed to reduce household particles like pet dander, smoke, pollen and dust while preserving reliable airflow for three months.\u003c\/strong\u003e\n\n\u003cp\u003eThese filters from Filtrete (made by 3M) combine pleated media and Filtrete's engineered capture technology to remove both visible debris and many microscopic particles that pass through home heating and cooling systems. Each filter measures approximately 19.68 x 24.68 x 0.81 inches and is intended for furnaces, air conditioners and central HVAC units. A recommended replacement interval is every 90 days, and the Filtrete Smart App can create barcode-driven reminders to help you stay on schedule.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these filters balance filtration with airflow?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 1000\/MERV 11 design traps smaller airborne particles while maintaining acceptable airflow so your system can operate efficiently. The pleated construction increases surface area, capturing more material without overly restricting circulation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePleated media for larger capture area and sustained airflow\u003c\/li\u003e\n  \u003cli\u003eMPR 1000 rating targets many fine particles like smoke and smog\u003c\/li\u003e\n  \u003cli\u003eMERV 11 performance optimized for residential HVAC systems\u003c\/li\u003e\n  \u003cli\u003eSize tolerances close to actual 19.68 x 24.68 x 0.81 inches for common filter slots\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat specific contaminants will it help reduce inside my home?\u003c\/h3\u003e\n\u003cp\u003eThis filter is made to intercept a wide range of particles that commonly circulate indoors. It captures coarse debris such as lint and pollen as well as numerous smaller particles including pet dander, some smoke components and urban particulates.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge particles: household dust, lint and pollen\u003c\/li\u003e\n  \u003cli\u003eAllergen sources: pet dander and typical indoor allergens\u003c\/li\u003e\n  \u003cli\u003eSmaller particulates: smoke, smog, and many microparticles rated by MPR 1000\u003c\/li\u003e\n  \u003cli\u003eCertified asthma- and allergy-friendly design elements\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\u003eFor reliable performance and to avoid strain on your heating or cooling equipment, replace the filter at least every 90 days; factors like pets, allergies or high dust loads may require more frequent changes. The Filtrete Smart App lets you scan the packaged barcode and set reminders at 30, 60 or 90 days for convenient alerts when a replacement is due.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard recommendation: change every 90 days\u003c\/li\u003e\n  \u003cli\u003eConsider changing sooner with pets, smokers, or allergy sufferers\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App for barcode scanning and countdown notifications\u003c\/li\u003e\n  \u003cli\u003eKeep an extra 2-pack on hand to maintain uninterrupted protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters fit my furnace or AC unit?\u003c\/h3\u003e\n\u003cp\u003eThe filters are nominally labeled 20x25x1 but the actual dimensions are about 19.68 x 24.68 x 0.81 inches, matching many residential filter slots. Always verify your unit's required filter size before purchase to ensure a proper seal and effective filtration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal size: 20 x 25 x 1 inches; actual: 19.68 x 24.68 x 0.81 inches\u003c\/li\u003e\n  \u003cli\u003eDesigned for standard residential furnaces, air conditioners, and HVAC systems\u003c\/li\u003e\n  \u003cli\u003eProper sizing ensures minimal bypass and efficient capture of particles\u003c\/li\u003e\n  \u003cli\u003eInspect filter slot dimensions or existing filter label before installing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: homeowners and renters who want stronger particle capture than basic fiberglass filters without moving to very restrictive media. This 2-pack suits households with pets, seasonal allergies, urban smoke exposure, or anyone seeking a measurable improvement in indoor air quality while maintaining compatible airflow for standard HVAC systems. If you require medical-grade containment, consult a specialist for higher-efficiency options tailored to clinical 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 is the actual size of the Filtrete 20x25x1 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Actual dimensions are approximately 19.68 x 24.68 x 0.81 inches; verify your unit’s slot before installing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does one filter last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each filter is designed for up to 90 days under typical conditions; change sooner with pets or heavy dust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54593748599123,"sku":"B004Q69HIU","price":70.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-filtro-frontal-pack.jpg?v=1786778046"},{"product_id":"filtrete-filtro-de-aire-20x25x1-mpr-300-6-unidades-merv-5-pleado-electrostatico-para-polvo-y-pelusa","title":"Filtrete 20x25x1 Air Filter MERV 5, 6-Pack MPR 300 — Pleated Electrostatic Dust \u0026 Lint Defense","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x25x1 MPR 300 is a six-pack of pleated, electrostatically charged HVAC filters designed to trap lint, household dust and large airborne particles while allowing efficient airflow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Filtrete furnace and air conditioner filters use charged fibers to attract and hold particles as air passes through your HVAC system. Each filter is built to the actual dimensions 19.69\" x 24.69\" x 0.81\" and carries a 300 Microparticle Performance Rating (MPR) and a MERV 5 designation—balanced for particle capture and system compatibility. Sold in a pack of six, they are intended for three-month replacement intervals but may be changed sooner depending on home conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the electrostatic design improve particle capture?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete media has both positively and negatively charged fibers that function like tiny magnets, pulling oppositely charged dust and pollen out of the airflow. This electrostatic attraction boosts capture of common household particles that plain fiberglass or washable screens often miss.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCharged fiber matrix captures large and some mid-sized particles.\u003c\/li\u003e\n  \u003cli\u003ePleated construction increases surface area for longer life.\u003c\/li\u003e\n  \u003cli\u003eEffective against lint, visible dust, pet dander and pollen.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters work with my furnace or air conditioner?\u003c\/h3\u003e\n\u003cp\u003eThey are built for standard systems that take 20x25x1 nominal filters but note the actual size listed on each filter. Because the filters are low-resistance (MERV 5), they provide filtration without significantly restricting airflow in most residential HVAC units.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual filter dimensions: 19.69\" x 24.69\" x 0.81\" for correct fit.\u003c\/li\u003e\n  \u003cli\u003eCompatible with furnaces, central air units and packaged HVAC systems that accept 1\" filters.\u003c\/li\u003e\n  \u003cli\u003eLow pressure drop helps maintain system efficiency and airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace each filter and how does that affect performance?\u003c\/h3\u003e\n\u003cp\u003eFiltrete recommends replacing these pleated filters every three months under typical conditions, though homes with pets, dusty environments, or heavy HVAC use may need more frequent changes. Regular replacement helps maintain airflow, reduces strain on the heating and cooling equipment, and sustains particle capture efficiency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard guideline: replace every 90 days for average homes.\u003c\/li\u003e\n  \u003cli\u003eCheck monthly during high-use seasons or if household dust increases.\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App to set reminders at 30, 60 or 90 days.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat level of contaminants will these filters remove?\u003c\/h3\u003e\n\u003cp\u003eWith a 300 MPR and MERV 5, these filters are designed to intercept larger airborne debris commonly found in homes, like dust, visible lint, and pollen. They are not rated for ultra-fine particles or specialized airborne hazards but improve general household air cleanliness when used consistently.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures household dust, lint, and pollen effectively.\u003c\/li\u003e\n  \u003cli\u003eNot intended for medical-grade or smoke filtration purposes.\u003c\/li\u003e\n  \u003cli\u003eBest used as part of routine HVAC maintenance for cleaner indoor air.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This six-pack is a practical choice for homeowners and renters looking to reduce visible dust and allergens without increasing system resistance—especially those with standard 20x25x1 filter slots, busy households, or anyone who prefers keeping spare replacements on hand. Choose these Filtrete MPR 300 filters if you want straightforward, electrostatically enhanced filtration that balances cleanliness and HVAC efficiency for everyday living spaces.\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 do MPR 300 and MERV 5 mean for home use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MPR 300 indicates good capture of larger particles like dust and pollen; MERV 5 means low resistance with basic particle filtration suitable for everyday residential use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use one of these filters in any 20x25x1 slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, they fit standard 20x25x1 slots but note the actual dimensions listed; ensure your unit accepts a 1-inch pleated filter before installing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54595038740819,"sku":"B07FNXPGLG","price":102.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-packaging-20x25x1.jpg?v=1786790427"},{"product_id":"filtrete-filtro-de-aire-20x25x1-merv-12-mpr-1500-paquete-de-2-captura-microparticulas-y-flujo-eficiente","title":"Filtrete Air Filter 20x25x1 MERV 12 (2-Pack) MPR 1500 — 90-Day Pleated for Allergens \u0026 Bacteria","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x25x1 MERV 12 (MPR 1500) pleated air filter captures a wide range of small and large airborne particles while maintaining reliable airflow for 90-day use in residential furnaces and air conditioners.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMade by 3M, this Filtrete replacement filter combines a high Microparticle Performance Rating (MPR 1500) with a MERV 12 classification to pull in microscopic contaminants—such as pet dander, smoke-born particles, bacteria-associated aerosols and many pollen and dust particles—while still allowing your HVAC system to move air efficiently. Each box includes two 1-inch pleated filters sized to the actual dimensions (19.62 x 24.62 x 0.78 in) and is intended for routine replacement every three months for steady performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter balance particle capture and airflow?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete 3-in-1 pleated design uses electrostatic attraction plus a graded fiber structure to trap particles across a range of sizes while minimizing resistance. That lets your furnace or air conditioner maintain proper airflow without unnecessary strain when changed per recommendations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMPR 1500 targets microscopic particles, improving small particle capture versus basic pleated filters.\u003c\/li\u003e\n  \u003cli\u003eMERV 12 rating indicates strong performance for residential settings without heavy restriction on airflow.\u003c\/li\u003e\n  \u003cli\u003ePleated construction increases surface area for longer effective life up to about 90 days.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic charge helps attract and hold smoke, pet dander, and other fine aerosols.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of particles will this filter remove from home air?\u003c\/h3\u003e\n\u003cp\u003eThis Filtrete filter is designed to remove a wide spectrum of contaminants. It captures larger debris such as lint and household dust, common allergens like pollen and pet hair, and smaller aerosolized particles including some bacteria-associated and virus-sized particles based on industry testing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge particles: lint, visible dust, pollen, pet hair.\u003c\/li\u003e\n  \u003cli\u003eFine particulates: smoke and combustion byproducts.\u003c\/li\u003e\n  \u003cli\u003eMicroscopic aerosols: bacteria-associated particles and a percentage of virus-sized particles per lab testing.\u003c\/li\u003e\n  \u003cli\u003eCertified asthma \u0026amp; allergy-friendly per the referenced report.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace these filters and how will that affect my system?\u003c\/h3\u003e\n\u003cp\u003eFor a 1-inch pleated filter like this, replacing it every 90 days is recommended for most homes to keep filtration effective and airflow healthy. A clogged or overdue filter forces the HVAC fan to work harder, reducing efficiency and potentially increasing energy use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace approximately every 3 months for typical residential use.\u003c\/li\u003e\n  \u003cli\u003eChange sooner in homes with pets, smokers, or high dust loads.\u003c\/li\u003e\n  \u003cli\u003eRegular replacement preserves airflow and system efficiency; dirty filters can restrict airflow and increase energy consumption.\u003c\/li\u003e\n  \u003cli\u003eCompatible with Dash Replenishment for automatic reorder when enabled.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my HVAC system and what are the physical details?\u003c\/h3\u003e\n\u003cp\u003eThese filters are labeled 20x25x1 but measure 19.62 x 24.62 x 0.78 inches actual size—designed to fit standard 20x25x1 slots in residential furnaces, air handlers, and split-system air conditioners. They come as a two-filter pack to cover multiple change cycles or dual-zone needs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual dimensions: 19.62 x 24.62 x 0.78 in; sold as a 2-pack.\u003c\/li\u003e\n  \u003cli\u003e1-inch pleated, electrostatically charged media for increased capture efficiency.\u003c\/li\u003e\n  \u003cli\u003eOutperforms fiberglass and basic washable filters in small-particle capture.\u003c\/li\u003e\n  \u003cli\u003eDesigned for typical residential HVAC airflow and replacement cadence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this filter is for: homeowners and renters who want a higher-performance, easy-to-install 1-inch HVAC filter that improves removal of allergens, smoke, and finer particles while preserving system airflow. It's a practical choice for families with pets, seasonal allergies, or anyone seeking a well-balanced, certified filter solution compatible with routine 3-month maintenance and smart reorder options.\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 my 20x25x1 slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The actual size is 19.62 x 24.62 x 0.78 inches and fits standard 20x25x1 HVAC 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 this Filtrete filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace approximately every 90 days for typical use, sooner if you have pets or higher dust levels.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54596710498643,"sku":"B00TUDHVO6","price":80.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-20x25x1_02db68cf-1535-4a19-8245-f48e0fa46f1c.jpg?v=1786984524"}],"url":"https:\/\/findsworth.co.uk\/collections\/20x25x1-air-filters.oembed","provider":"Findsworth","version":"1.0","type":"link"}