{"title":"MERV 13 Air Filters","description":"\u003cp\u003eBrowse 24 MERV 13 air filters at Findsworth, from brands including Filtrete, Aprilaire, BNX. Prices currently range from £80.13 to £342.62. 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":"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":"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, 2210, 2216, 3210 and 4200; models 2120 and 2200 require Upgrade Kit 1213\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\n\n\u003csection class=\"findsworth-buying-guide\"\u003e\u003ch2\u003eAprilAire 213: cabinet and pack check\u003c\/h2\u003e\n\u003cp\u003eThis listing is the 1-filter option. AprilAire identifies model 213 as MERV 13, for cabinets 1210, 1620, 2210, 2216, 3210 and 4200.\u003c\/p\u003e\n\u003cp\u003eFor older 2120 or 2200 cabinets, AprilAire specifies upgrade kit 1213; the nominal size alone does not establish fit.\u003c\/p\u003e\n\u003cp\u003eOther listed pack options: \u003ca href=\"\/products\/aprilaire-filtro-de-repuesto-213-merv-13-20x25x4-pack-de-4-captura-de-alergenos-y-sellado-hermetico\"\u003e4 filters\u003c\/a\u003e, \u003ca href=\"\/products\/aprilaire-filtro-de-reemplazo-213-merv-13-20x25x4-pack-de-2-whole-house-self-seal%E2%84%A2-y-vida-util-anual\"\u003e2 filters\u003c\/a\u003e. Compare the current product prices before choosing a pack.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/shop.aprilaire.com\/products\/aprilaire-213-replacement-filter\"\u003eManufacturer compatibility reference\u003c\/a\u003e. Use our \u003ca href=\"\/pages\/hvac-filter-size-guide\"\u003efilter size and cabinet guide\u003c\/a\u003e to distinguish a nominal size from the installed fit.\u003c\/p\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-reemplazo-413-merv-13-16x25x4-para-purificadores-domesticos-sellado-self-seal-hasta-12-meses","title":"Aprilaire Whole-House Air Purifier Filter MERV 13 — 16x25x4 Self-Seal Replacement (Pack of 1)","description":"\u003cp\u003e\u003cstrong\u003eThe AprilAire 413 is a genuine MERV 13 replacement filter engineered to fit AprilAire whole-house air purifiers and capture a high percentage of common airborne particles for year-long performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you want to keep the air circulating through your HVAC system cleaner without frequent intervention, the AprilAire 413 offers a factory-designed solution. Built to the exact specifications of AprilAire models such as the 4400, 3310 and 2410 (and usable in other models after an upgrade kit), this 16x25x4 filter uses AprilAire's Self-Seal™ design to create an airtight fit that reduces bypass and helps the purifier operate as intended. It is made in the USA and intended for annual replacement to maintain peak performance of the whole-house air cleaning system.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the AprilAire 413 improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe 413 is a MERV 13-rated pleated filter that traps a wide range of airborne contaminants, reducing what circulates through your HVAC system. Its construction targets particles like pollen, dust, pet dander and smaller particulates that commonly affect indoor comfort.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures fine and larger particles consistent with MERV 13 performance.\u003c\/li\u003e\n  \u003cli\u003ePatented Self-Seal™ design minimizes air bypass for better filtration efficiency.\u003c\/li\u003e\n  \u003cli\u003eThird-party testing indicates removal rates up to 97% for common allergens.\u003c\/li\u003e\n  \u003cli\u003eDesigned for use with specified AprilAire whole-house purifiers for correct operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich AprilAire models work with the 413 filter and what if my unit needs an upgrade?\u003c\/h3\u003e\n\u003cp\u003eThe 413 is specified for models 4400, 3310 and 2410 out of the box. It can also be installed in other AprilAire systems such as the 2400 and 2140 after fitting the official Upgrade Kit (part #1413). Using the genuine filter ensures the purifier maintains its designed airflow and sealing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect fit: AprilAire 4400, 3310, 2410 models.\u003c\/li\u003e\n  \u003cli\u003eUpgradeable fit: Models 2400 and 2140 with part #1413 installed.\u003c\/li\u003e\n  \u003cli\u003eOnly genuine AprilAire Self-Seal #413 recommended to preserve warranty and performance.\u003c\/li\u003e\n  \u003cli\u003eSimple annual replacement keeps system operating at peak efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will one AprilAire 413 filter last and what maintenance is required?\u003c\/h3\u003e\n\u003cp\u003eThe 413 is designed for a 12-month service life under typical residential conditions, reducing the number of replacements needed compared with lower-rated filters. Check your air cleaner control for replacement alerts and swap the filter annually or sooner in high-dust or heavy-allergen situations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard recommended replacement interval: once per year.\u003c\/li\u003e\n  \u003cli\u003eMonitor the air cleaner control for replacement prompts.\u003c\/li\u003e\n  \u003cli\u003eLonger usable life versus many lower-MERV filters — fewer changes required.\u003c\/li\u003e\n  \u003cli\u003eMinimal maintenance: remove and replace the filter; no cleaning required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and support features does AprilAire provide with the 413?\u003c\/h3\u003e\n\u003cp\u003eAprilAire pairs the 413 with quality assurances like third-party verified test results and a 10-year Clean-Coil Commitment for qualifying installations. The filter’s higher particle removal and energy-conscious design aim to balance filtration with system airflow to limit added strain on HVAC equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThird-party lab testing verifies improved particle removal beyond minimum MERV 13.\u003c\/li\u003e\n  \u003cli\u003e10-year Clean-Coil Commitment offers partial support for coil cleaning in qualifying cases.\u003c\/li\u003e\n  \u003cli\u003eDesigned and manufactured in the USA by AprilAire, a long-standing indoor air quality brand.\u003c\/li\u003e\n  \u003cli\u003eCompatible with the Healthy Air App for replacement reminders and system guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The AprilAire 413 replacement filter is intended for homeowners and property managers who use AprilAire whole-house air purifiers and want a genuine, factory-specified MERV 13 filter that balances high particle capture with annual maintenance convenience. It’s especially appropriate for households seeking a durable, well-sealed filter that integrates with AprilAire systems and manufacturer support programs.\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 413 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace the 413 at least once every 12 months, or when your air cleaner control indicates it's time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the 413 fit my AprilAire model 2400 or 2140?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, with the AprilAire Upgrade Kit (part #1413) installed, the 413 is compatible with 2400 and 2140 models.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aprilaire","offers":[{"title":"Default Title","offer_id":54582483583315,"sku":"B0040VOEKW","price":120.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/aprilaire-413-frontal-empaque.jpg?v=1786647142"},{"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\u003eNominal size: 20 x 25 x 4 inches. Match the cabinet model; nominal size is not the exact measured size.\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\n\n\u003csection class=\"findsworth-buying-guide\"\u003e\u003ch2\u003eAprilAire 213: cabinet and pack check\u003c\/h2\u003e\n\u003cp\u003eThis listing is the 4-filter option. AprilAire identifies model 213 as MERV 13, for cabinets 1210, 1620, 2210, 2216, 3210 and 4200.\u003c\/p\u003e\n\u003cp\u003eFor older 2120 or 2200 cabinets, AprilAire specifies upgrade kit 1213; the nominal size alone does not establish fit.\u003c\/p\u003e\n\u003cp\u003eOther listed pack options: \u003ca href=\"\/products\/aprilaire-filtro-213-merv-13-20x25x4-para-purificadores-de-casa-pack-1-alta-captura-de-alergenos\"\u003e1 filter\u003c\/a\u003e, \u003ca href=\"\/products\/aprilaire-filtro-de-reemplazo-213-merv-13-20x25x4-pack-de-2-whole-house-self-seal%E2%84%A2-y-vida-util-anual\"\u003e2 filters\u003c\/a\u003e. Compare the current product prices before choosing a pack.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/shop.aprilaire.com\/products\/aprilaire-213-replacement-filter\"\u003eManufacturer compatibility reference\u003c\/a\u003e. Use our \u003ca href=\"\/pages\/hvac-filter-size-guide\"\u003efilter size and cabinet guide\u003c\/a\u003e to distinguish a nominal size from the installed fit.\u003c\/p\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":"aprilaire-filtro-de-reemplazo-413-merv-13-16x25x4-pack-de-2-self-seal-hasta-12-meses-de-vida","title":"Aprilaire MERV 13 Whole-Home Replacement Air Filter 16x25x4 Pack of 2 - Self-Seal Allergy Protection","description":"\u003cp\u003e\u003cstrong\u003eGenuine AprilAire 413 is a MERV 13 whole-home replacement filter designed to capture common allergens, airborne particles and many virus-sized aerosols while delivering a tight self-seal for your AprilAire air purifier.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEngineered and manufactured in the USA, the AprilAire 413 replacement filter fits AprilAire whole-house air purifiers and is built to the brand's exact specifications. Its construction emphasizes high-efficiency particle removal, extended service life, and an airtight seal to protect your HVAC components. Backed by AprilAire's long history in indoor air quality and a 10-year Clean-Coil Commitment, this filter is intended for annual replacement to keep your system performing as designed.\u003c\/p\u003e\n\n\u003ch3\u003eHow effective is the AprilAire 413 at removing allergens and particles?\u003c\/h3\u003e\n\u003cp\u003eThe 413 is rated MERV 13 and was third-party tested to remove a high percentage of common airborne contaminants, including pollen, pet dander, mold spores, dust and many virus-sized aerosols. Its advanced media captures particles far smaller than typical furnace filters, improving indoor air quality throughout the home.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoves up to 97% of common allergens under controlled test conditions.\u003c\/li\u003e\n  \u003cli\u003eDemonstrated performance against virus-sized particles in ASHRAE 52.2 testing.\u003c\/li\u003e\n  \u003cli\u003eMERV 13 rating: captures fine particles while maintaining efficient airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long does each AprilAire 413 filter last and when should I change it?\u003c\/h3\u003e\n\u003cp\u003eAprilAire designs the 413 for a 12-month service life under typical residential conditions; replacing it annually helps sustain peak purifier and HVAC performance. In environments with higher dust, pets, or seasonal pollen, you may opt to inspect earlier and replace as needed to avoid airflow restriction.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard recommended interval: change once per year.\u003c\/li\u003e\n  \u003cli\u003eCheck sooner if you have pets, smokers, or heavy seasonal allergies.\u003c\/li\u003e\n  \u003cli\u003eLonger life compared to lower-grade filters reduces replacement frequency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the AprilAire 413 fit my system and protect the HVAC coil?\u003c\/h3\u003e\n\u003cp\u003eThe filter is manufactured to AprilAire's exact dimensions and features patented Self-Seal™ technology to ensure an airtight fit in compatible AprilAire purifiers. Proper installation helps prevent unfiltered air bypass and reduces particulate buildup on the HVAC coil; AprilAire also offers a Clean-Coil Commitment to assist with coil cleaning costs under specified conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact fit for AprilAire whole-house air purifiers—16x25x4 size.\u003c\/li\u003e\n  \u003cli\u003eSelf-Seal™ design minimizes air bypass and maintains system efficiency.\u003c\/li\u003e\n  \u003cli\u003e10-year Clean-Coil Commitment applies when installed per AprilAire guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical benefits and features does this replacement pack include?\u003c\/h3\u003e\n\u003cp\u003eBuying the genuine AprilAire 413 two-pack provides convenience and value—fewer orders and ready replacements. The filter media is optimized to balance high capture efficiency with low pressure drop, giving reliable indoor air filtration without undue strain on your HVAC system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePack of 2 for scheduled annual changes and backup convenience.\u003c\/li\u003e\n  \u003cli\u003eEngineered for energy-efficient operation and extended life.\u003c\/li\u003e\n  \u003cli\u003eSupported by AprilAire’s manufacturing standards and indoor air quality expertise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Homeowners with AprilAire whole-house purifiers who want high-efficiency particle capture and dependable, year-long filter life will find the AprilAire 413 ideal. It's suitable for families with allergy or asthma concerns, pet owners, and anyone seeking to reduce household dust and particulate load while protecting HVAC equipment. Choose genuine AprilAire replacement filters to preserve fit, filtration 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: How often should I replace the AprilAire 413 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace the AprilAire 413 at least once every 12 months; inspect sooner in high-dust or pet homes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the AprilAire 413 fit my AprilAire whole-house purifier?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this genuine 16x25x4 AprilAire 413 is made to the brand's specifications for compatible purifiers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aprilaire","offers":[{"title":"Default Title","offer_id":54582893445459,"sku":"B00UOXM6W8","price":161.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/aprilaire-413-embalaje-frontal.jpg?v=1786648340"},{"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\n\n\u003csection class=\"findsworth-buying-guide\"\u003e\u003ch2\u003eAprilAire 213: cabinet and pack check\u003c\/h2\u003e\n\u003cp\u003eThis listing is the 2-filter option. AprilAire identifies model 213 as MERV 13, for cabinets 1210, 1620, 2210, 2216, 3210 and 4200.\u003c\/p\u003e\n\u003cp\u003eFor older 2120 or 2200 cabinets, AprilAire specifies upgrade kit 1213; the nominal size alone does not establish fit.\u003c\/p\u003e\n\u003cp\u003eOther listed pack options: \u003ca href=\"\/products\/aprilaire-filtro-213-merv-13-20x25x4-para-purificadores-de-casa-pack-1-alta-captura-de-alergenos\"\u003e1 filter\u003c\/a\u003e, \u003ca href=\"\/products\/aprilaire-filtro-de-repuesto-213-merv-13-20x25x4-pack-de-4-captura-de-alergenos-y-sellado-hermetico\"\u003e4 filters\u003c\/a\u003e. Compare the current product prices before choosing a pack.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/shop.aprilaire.com\/products\/aprilaire-213-replacement-filter\"\u003eManufacturer compatibility reference\u003c\/a\u003e. Use our \u003ca href=\"\/pages\/hvac-filter-size-guide\"\u003efilter size and cabinet guide\u003c\/a\u003e to distinguish a nominal size from the installed fit.\u003c\/p\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":"aprilaire-filtro-de-repuesto-313-merv-13-20x20x4-para-purificador-whole-house-12-meses-de-duracion-y-self-seal","title":"Aprilaire 313 Whole-House MERV 13 Replacement Filter 20x20x4 — Self-Seal, 12-Month Life","description":"\u003cp\u003e\u003cstrong\u003eThe AprilAire 313 is a genuine MERV 13, 20 x 20 x 4 replacement filter designed for AprilAire whole-house air cleaners to capture common allergens and protect your HVAC system.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you want cleaner indoor air with fewer airborne irritants and less dust buildup inside your heating and cooling equipment, the AprilAire 313 replacement filter is built to deliver that outcome. Engineered for AprilAire air cleaner models 1310, 2310, 3310 and 4300, the 313 combines a deep 4-inch filter depth with patented Self-Seal Technology and an Interlock Rail System to simplify swaps and reduce bypass. The result is long-lasting filtration performance with up to 12 months of service life under typical conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the AprilAire 313 reduce airborne allergens in my home?\u003c\/h3\u003e\n\n\u003cp\u003eThe 313 filter uses a dense MERV 13-rated media that captures a wide range of particles as air circulates through your central system. It targets pollen, pet dander, mold spores, dust mite fragments, many bacteria-sized particles and finer dust, removing them from the airflow before they re-enter living spaces.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMERV 13 efficiency tested to ASHRAE 52.2 standards.\u003c\/li\u003e\n  \u003cli\u003e21.3 square feet of filtering media increases particle capture area versus thinner filters.\u003c\/li\u003e\n  \u003cli\u003eDesigned to trap both larger allergens and smaller respirable particles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill installing this filter affect my HVAC efficiency or equipment life?\u003c\/h3\u003e\n\n\u003cp\u003eUsing the correctly sized, low-resistance AprilAire 313 helps maintain proper airflow while capturing dust that would otherwise accumulate on coils and blower components. Cleaner internal components typically run more efficiently and may reduce strain on the system over time compared with neglected or undersized filters.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eExtremely low initial resistance preserves system airflow.\u003c\/li\u003e\n  \u003cli\u003eHigh dust-holding capacity reduces frequency of mid-year changes.\u003c\/li\u003e\n  \u003cli\u003eHelps limit dust buildup on coils and internal parts that can increase energy use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to replace the AprilAire 313 filter?\u003c\/h3\u003e\n\n\u003cp\u003eReplacement is designed to be fast and foolproof thanks to the AprilAire Interlock Rail System and Self-Seal Technology. No assembly, cardboard frames or extra supports are required; just remove the old filter, slide the new 313 into the rail, and close the door for a secure fit.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eThree-step process: unpack, slide in, close — no tools needed.\u003c\/li\u003e\n  \u003cli\u003ePatented Self-Seal prevents air from bypassing the media.\u003c\/li\u003e\n  \u003cli\u003eIllustrated instructions included with the packaged filter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat size and model compatibility should I check before buying?\u003c\/h3\u003e\n\n\u003cp\u003eThe AprilAire 313 is a nominal 20 x 20 x 4-inch filter intended for AprilAire models 1310, 2310, 3310 and 4300. \"Nominal\" refers to the industry sizing system; verify your appliance accepts 20x20x4 nominal filters and uses the Interlock Rail System for a precise fit.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNominal size: 20 x 20 x 4 inches — confirm your cabinet accepts this size.\u003c\/li\u003e\n  \u003cli\u003eCompatible with AprilAire air cleaner models listed above.\u003c\/li\u003e\n  \u003cli\u003ePatented design ensures secure fit and sealing in AprilAire housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe AprilAire 313 is crafted and assembled in the USA and backed by AprilAire’s Pure Fit Promise and Clean Coil Commitment, giving you confidence that you’re installing an OEM replacement engineered for your device. While filters do not eliminate all indoor contaminants, choosing the right MERV 13 media reduces many common airborne particles and helps keep your HVAC system cleaner between professional service visits.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho is this for:\u003c\/strong\u003e homeowners and renters with compatible AprilAire whole-house air cleaners who want a longer-life, high-efficiency replacement filter. It’s also a fit for households managing seasonal allergies, pet dander, or dust concerns and for anyone aiming to reduce dust accumulation inside HVAC equipment while keeping filter changes to roughly once per year under normal use.\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 313 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically once every 12 months under normal conditions; check your system and local air quality to adjust frequency.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this filter fit my AprilAire cleaner?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The 313 is nominal 20x20x4 and fits AprilAire models 1310, 2310, 3310, and 4300 using the Interlock Rail System.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aprilaire","offers":[{"title":"Default Title","offer_id":54583878058323,"sku":"B07D3GSV74","price":106.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/applaire-313-frontal-empaque.jpg?v=1786652505"},{"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":"bnx-trufilter-merv-13-hvac-air-filter-20x20x1-actual-19-68x19-68x0-75-4-pack-electrostatic-media-low-airflow-resistance","title":"BNX TruFilter MERV 13 HVAC Air Filter 20x20x1 (Actual 19.68\"x19.68\"x0.75\") 4-Pack — Electrostatic Media, Low Airflow Resistance","description":"\u003cp\u003e\u003cstrong\u003eBNX TruFilter 20x20x1 is a high-efficiency MERV 13 HVAC filter designed to trap fine airborne particles while maintaining low airflow resistance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEngineered and assembled in Houston, TX, this four-pack of BNX TruFilter filters delivers a compact, durable replacement for 20x20x1 furnace and air conditioner filter slots (actual size 19.68\" x 19.68\" x 0.75\"). The filters use electrostatically charged media to attract and hold a wide range of particulates, and they are manufactured with a one-piece recycled cardboard frame that meets UL 900 standards. Comparable to MPR 1500–1900 and FPR 10 ratings, these filters balance filtration efficiency and airflow for everyday residential HVAC systems.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe BNX TruFilter uses MERV 13-rated media with an electrostatic charge that captures more small particles than basic fiberglass filters. It reduces airborne dust, pet dander, pollen and many fine particles that circulate through forced-air systems, contributing to a cleaner living environment over weeks of use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCatches particles down to 3–10 microns with high efficiency.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic media increases particle adhesion without heavy airflow loss.\u003c\/li\u003e\n  \u003cli\u003eDesigned to work in standard home furnaces and air handlers.\u003c\/li\u003e\n  \u003cli\u003eNoticeable reduction in visible dust within days of installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it fit my HVAC or furnace filter slot?\u003c\/h3\u003e\n\u003cp\u003eThese BNX filters are nominally listed as 20x20x1 but the actual manufactured dimension is 19.68\" x 19.68\" x 0.75\", which matches the common 20x20x1 replacement size used in many residential systems. Always confirm the physical dimensions required by your unit before installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual size: 19 11\/16\" x 19 11\/16\" x 3\/4\" for accurate fit.\u003c\/li\u003e\n  \u003cli\u003eWorks in typical slots labeled 20x20x1 in furnaces and return grilles.\u003c\/li\u003e\n  \u003cli\u003eInstall with arrows indicating airflow direction toward the furnace or blower.\u003c\/li\u003e\n  \u003cli\u003eFour filters provided for staggered replacement across seasons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long should each filter last and how does it affect airflow?\u003c\/h3\u003e\n\u003cp\u003eService life varies with indoor particle load and runtime; many households replace filters every 1–3 months. BNX designed the media to offer strong capture rates while minimizing pressure drop, so normal system airflow should remain efficient when filters are changed at recommended intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical replacement interval: 1–3 months depending on usage and home conditions.\u003c\/li\u003e\n  \u003cli\u003eLow airflow resistance helps preserve HVAC efficiency and comfort.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic charge boosts capture without needing very dense media.\u003c\/li\u003e\n  \u003cli\u003eReplace sooner in homes with smokers, pets, or heavy dust sources.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and certifications back the product?\u003c\/h3\u003e\n\u003cp\u003eBNX TruFilter is assembled at a registered U.S. facility using a single-piece recycled cardboard frame to reduce waste. The product is classified in accordance with UL 900 and manufactured under quality controls in an EPA-registered plant.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMade in USA by BNX Converting, LLC in Houston, TX (EPA-registered facility).\u003c\/li\u003e\n  \u003cli\u003eFrame constructed from recycled cardboard using single-sided frame technology.\u003c\/li\u003e\n  \u003cli\u003eUL 900 classification confirms fire performance criteria for air filters.\u003c\/li\u003e\n  \u003cli\u003eComparable efficiency ratings: MPR 1500–1900 and FPR 10.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and renters who want an affordable, American-made replacement filter that improves particulate capture without severely impacting airflow. It suits families with pets, allergy-prone occupants, or anyone seeking a step up from basic fiberglass filters for routine HVAC maintenance. If you need frequent high-efficiency filtration for specialized medical or industrial needs, consult a professional for system-compatible solutions.\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 truly MERV 13?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The BNX TruFilter uses MERV 13 rated electrostatic media designed to capture fine particles in the 3–10 micron range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will it fit my 20x20x1 filter slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The actual size is 19.68\" x 19.68\" x 0.75\", which fits standard 20x20x1 residential filter frames.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BNX","offers":[{"title":"Default Title","offer_id":54585704677715,"sku":"B09XC3RQ3J","price":98.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/bnx-trufilter-front-packaging.jpg?v=1786672457"},{"product_id":"bnx-trufilter-merv-13-air-filter-20x20x1-6-pack-electrostatic-media-low-airflow-resistance","title":"BNX TruFilter MERV 13 Air Filter 20x20x1 6-Pack — Electrostatic Media, Low Airflow Resistance","description":"\u003cp\u003e\u003cstrong\u003eBNX TruFilter 20x20x1 is a MERV 13 electrostatic HVAC filter sold in a 6-pack that fits standard 20x20x1 housings and captures fine particulates like pollen, pet dander, smoke and other microscopic contaminants.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned and manufactured in the USA by BNX Converting, LLC, this 6-pack of TruFilter filters delivers high-efficiency filtration while keeping airflow resistance low. Each filter is built to an actual size of 19.68\" x 19.68\" x 0.75\" to fit common 20x20x1 slots, and uses electrostatically charged media and a single-piece recycled cardboard frame for reliable performance and reduced environmental waste. The media rates MERV 13—comparable to MPR 1500\/1900 and FPR 10—making it suitable for homeowners seeking stronger capture of fine particles without sacrificing system efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe MERV 13-rated media captures a wide range of airborne particles, including pollen, pet dander, dust, smoke and many microscopic carriers that lower-rated filters miss. Electrostatic charge helps attract and hold tiny particles while the design maintains low airflow resistance so HVAC systems run efficiently.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoves up to 98% of targeted airborne particles in its rating range\u003c\/li\u003e\n  \u003cli\u003eElectrostatically charged fibers enhance capture of fine particulates\u003c\/li\u003e\n  \u003cli\u003eCompatible with most residential furnaces and air conditioners sized for 20x20x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it fit my HVAC system and how is the actual size measured?\u003c\/h3\u003e\n\u003cp\u003eAlthough commonly labeled 20x20x1, BNX lists the true dimensions as 19.68\" x 19.68\" x 0.75\" to reflect the real filter thickness and ensure a proper fit in standard frames. Always check your unit's filter slot orientation and airflow arrow before installation for the correct fit and performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual size: 19 11\/16\" x 19 11\/16\" x 3\/4\"\u003c\/li\u003e\n  \u003cli\u003eLabeled to replace filters rated MPR 1500–1900 and FPR 10\u003c\/li\u003e\n  \u003cli\u003eFits typical 20x20x1 housings in furnaces and air conditioners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long do these filters last and how often should I change them?\u003c\/h3\u003e\n\u003cp\u003eFilter life depends on household conditions: homes with pets, smokers, or high dust will need more frequent changes. In general residential use, replace MERV 13 filters every 1–3 months; check monthly to determine the right cadence for your environment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect monthly for visible buildup or reduced airflow\u003c\/li\u003e\n  \u003cli\u003eReplace sooner in homes with pets, allergies, or heavy pollution\u003c\/li\u003e\n  \u003cli\u003eSix filters in the pack support routine replacements across seasons\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes BNX TruFilter different from basic fiberglass filters?\u003c\/h3\u003e\n\u003cp\u003eUnlike basic fiberglass panels that mainly stop larger particles, BNX TruFilter uses advanced electrostatically charged media that captures much smaller airborne contaminants while still preserving airflow. The one-piece recycled cardboard frame and UL 900 classification reflect manufacturing standards and durable construction.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 13 media captures finer particles than standard fiberglass filters\u003c\/li\u003e\n  \u003cli\u003eLower airflow resistance helps maintain HVAC efficiency\u003c\/li\u003e\n  \u003cli\u003eManufactured in Houston with sustainable frame technology\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: BNX TruFilter 20x20x1 is aimed at homeowners and renters who want stronger particulate capture than basic filters—especially those with allergies, pets, or concern about smoke and fine dust—who also need a reliably sized filter that fits common 20x20x1 slots. It's suitable for anyone seeking American-made filters with MERV 13 performance in a convenient 6-pack for 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: Is this filter compatible with 20x20x1 slots?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The actual filter measures 19.68\" x 19.68\" x 0.75\" and fits standard 20x20x1 housings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What particles does MERV 13 capture?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MERV 13 filters capture pollen, pet dander, smoke, many bacteria carriers and other fine airborne particles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BNX","offers":[{"title":"Default Title","offer_id":54585704579411,"sku":"B09XFL1TQ7","price":113.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/bnx-trufilter-front-packaging_1575f31b-d06a-47af-85d5-ff69aa1bd103.jpg?v=1786672468"},{"product_id":"bnx-filtro-de-aire-16x20x1-merv-13-pack-6-electrostatico-baja-resistencia-para-alergias-y-humo","title":"BNX MERV 13 Air Filter 16x20x1 — 6 Pack, Electrostatic Media, Made in USA","description":"\u003cp\u003e\u003cstrong\u003eBNX TruFilter 16x20x1 is a MERV 13-rated HVAC air filter designed to trap microscopic particles like pollen, smoke, pet dander, and many airborne contaminants while preserving strong airflow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis six-pack of BNX TruFilter furnace and air conditioner filters fits systems that accept a 16x20x1 nominal size (actual: 15.68\" x 19.68\" x 0.75\") and is engineered to balance high-efficiency filtration with low resistance to airflow. Manufactured in the USA using a single-piece recyclable frame and electrostatically charged media, these filters aim to reduce airborne irritants without overtaxing your HVAC system. They’re comparable to MPR 1500–1900 and FPR 10 and certified to UL 900 standards.\u003c\/p\u003e\n\n\u003ch3\u003eHow effectively does this filter remove allergens and microscopic particles?\u003c\/h3\u003e\n\u003cp\u003eThe BNX TruFilter carries a MERV 13 rating, which targets very small particles down to the sub-micron range. Electrostatic media increases capture efficiency so common household irritants and many fine particles are retained while air continues to circulate efficiently.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures up to 98% of many airborne contaminants at the rated particle sizes\u003c\/li\u003e\n  \u003cli\u003eTargets pollen, pet dander, mold spores, smoke, and some bacteria-carrying particles\u003c\/li\u003e\n  \u003cli\u003eElectrostatic charge enhances filtration without excessive pressure drop\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters fit my HVAC or furnace and keep my system efficient?\u003c\/h3\u003e\n\u003cp\u003eYes—these are nominal 16x20x1 filters with actual dimensions 15.68\" x 19.68\" x 0.75\", designed for most residential HVAC and furnace filter slots that accept that size. The media and frame construction prioritize low airflow resistance to avoid undue strain on fans and maintain system efficiency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual sizing ensures a snug fit in standard 16x20x1 filter housings\u003c\/li\u003e\n  \u003cli\u003eLow air flow resistance helps preserve fan performance and energy use\u003c\/li\u003e\n  \u003cli\u003eSingle-piece frame reduces gaps and potential bypass when installed correctly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and certifications back the BNX TruFilter quality claims?\u003c\/h3\u003e\n\u003cp\u003eBNX manufactures these filters in Houston, TX using sustainably sourced, recycled cardboard for the frame and advanced electrostatic filter media. The facility and product comply with UL 900 classification and BNX lists an EPA registration, underscoring domestic production controls and quality processes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMade in the USA by BNX Converting, LLC in an approved facility\u003c\/li\u003e\n  \u003cli\u003eSingle-piece frame design reduces manufacturing waste and improves durability\u003c\/li\u003e\n  \u003cli\u003eUL 900 classification and compliant production practices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace these filters and how do they compare to fiberglass options?\u003c\/h3\u003e\n\u003cp\u003eMERV 13 media typically requires more frequent inspection than basic fiberglass filters because it captures far more particles; check monthly and replace every 1–3 months depending on household conditions. Compared with fiberglass, BNX’s electrostatic media provides significantly higher capture rates for fine particulates while keeping airflow impact low.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect monthly in homes with pets, smokers, or allergy sufferers\u003c\/li\u003e\n  \u003cli\u003eReplace every 1–3 months under typical residential use\u003c\/li\u003e\n  \u003cli\u003eSuperior particulate capture versus standard fiberglass filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: BNX TruFilter 16x20x1 MERV 13 filters suit homeowners and renters seeking stronger airborne-particle control than basic filters provide—especially those with allergies, pets, or concerns about smoke and fine dust. They’re a fit for standard HVAC and furnace systems that accept nominal 16x20x1 filters and for buyers who prefer American-made products with sustainable frame construction and recognized safety classifications. If you want higher filtration efficiency while maintaining system airflow, this six-pack offers an accessible, responsibly produced 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: Are these filters compatible with 16x20x1 housings?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The nominal size is 16x20x1 with actual dimensions 15.68\" x 19.68\" x 0.75\", fitting standard 16x20x1 filter slots.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long do BNX MERV 13 filters last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 1–3 months depending on pets, smokers, or allergy sensitivity; inspect monthly for heavy soils.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BNX","offers":[{"title":"Default Title","offer_id":54585704513875,"sku":"B09XFLX5SD","price":120.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/bnx-trufilter-frontal-empaque.jpg?v=1786672467"},{"product_id":"bnx-filtros-de-aire-16x25x1-merv-13-paquete-de-4-tamano-real-15-68x24-68x0-75-baja-resistencia-y-captura-de-particulas-finas","title":"BNX MERV 13 16x25x1 Air Filter 4-Pack — Actual 15.68\"x24.68\"x0.75\", Electrostatic Low-Airflow","description":"\u003cp\u003e\u003cstrong\u003eBNX TruFilter 16x25x1 is a high-efficiency MERV 13 HVAC filter designed to trap microscopic particles while preserving low airflow resistance for furnaces and air conditioners.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEngineered for residential and light-commercial HVAC systems, this 4-pack of BNX TruFilter filters combines electrostatically charged media with a sustainable single-piece frame to provide reliable filtration without restricting system performance. The filters measure an actual 15.68\" x 24.68\" x 0.75\" and are comparable to MPR 1500–1900 and FPR 10 ratings. Manufactured in Houston, TX, these UL 900-classified filters are produced with recycled cardboard and automated processes to deliver consistent quality.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter balance particle capture and airflow?\u003c\/h3\u003e\n\u003cp\u003eThe BNX TruFilter uses electrostatically charged media that attracts and holds particles while maintaining low resistance to airflow. That design helps HVAC systems run efficiently without forcing the blower to work harder.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 13 rating captures a wide range of particle sizes.\u003c\/li\u003e\n  \u003cli\u003eLow pressure drop preserves furnace and AC performance.\u003c\/li\u003e\n  \u003cli\u003eElectrostatic fibers enhance capture of fine particles.\u003c\/li\u003e\n  \u003cli\u003eTested to ASHRAE Standard 52.2-2017 initial efficiency\/resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat specific contaminants will it remove from indoor air?\u003c\/h3\u003e\n\u003cp\u003eRated MERV 13, this filter removes many fine airborne particles that lower-rated filters miss. It reduces dust, pet dander, pollen and a large share of smoke and odor-carrying particulates without claiming medical benefits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures pollen, dust mites and pet dander effectively.\u003c\/li\u003e\n  \u003cli\u003eReduces smoke, smog and odor-bearing particulates.\u003c\/li\u003e\n  \u003cli\u003eTraps many bacteria- and virus-carrier sized particles.\u003c\/li\u003e\n  \u003cli\u003eHelps limit mold spores and lint circulating in HVAC systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my system and how do I confirm size?\u003c\/h3\u003e\n\u003cp\u003eThe listed nominal size is 16x25x1, but the actual manufactured dimensions are 15.68\" x 24.68\" x 0.75\", so confirm your slot accepts that actual size. These filters are intended for standard 1\" filter housings in residential and light-commercial systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal size: 16x25x1; actual size: 15.68\" x 24.68\" x 0.75\".\u003c\/li\u003e\n  \u003cli\u003eCompatible with many units rated for MPR 1500–1900 and FPR 10.\u003c\/li\u003e\n  \u003cli\u003eUse in HVAC return grilles, furnace filter boxes, and air handlers with 1\" filters.\u003c\/li\u003e\n  \u003cli\u003eCheck frame orientation and airflow arrow when installing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes BNX TruFilter a sustainable, quality option?\u003c\/h3\u003e\n\u003cp\u003eBNX manufactures these filters in the USA using a single-piece frame to minimize waste and recycled cardboard to lower environmental impact. The facility operates under EPA registration and the filters meet UL 900 classification standards.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMade in Houston, TX at a registered, audited facility (EPA #101638-TX-1).\u003c\/li\u003e\n  \u003cli\u003eSingle-sided frame technology reduces material waste.\u003c\/li\u003e\n  \u003cli\u003eConstructed with recycled cardboard and automated production methods.\u003c\/li\u003e\n  \u003cli\u003eClassified to UL 900 (safety standard) for reliable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and building managers who want a higher-efficiency, American-made 1\" replacement filter that captures a wide range of particulates while preserving HVAC system performance. Choose BNX TruFilter if you need MERV 13 filtration for allergy-prone households, pet-friendly homes, or locations that see smoke and urban pollution, and prefer products produced with sustainable packaging and consistent quality controls.\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 BNX TruFilter compatible with my 16x25x1 slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Nominal size is 16x25x1 but actual dimensions are 15.68\" x 24.68\" x 0.75\"; confirm your slot accepts those measurements.\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 13 BNX filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 3 months on average, sooner in high-dust, pet, or smoky environments or per your HVAC manufacturer's guidance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BNX","offers":[{"title":"Default Title","offer_id":54585704644947,"sku":"B09XFKZB2C","price":96.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/bnx-trufilter-empaque-frente.jpg?v=1786672466"},{"product_id":"aerostar-filtro-de-aire-20x20x1-merv-13-pack-de-4-alta-eficiencia-y-proteccion-hvac","title":"Aerostar MERV 13 Air Filter 20x20x1 — 4-Pack Pleated Electrostatic Filters for HVAC\/Furnace, High Efficiency","description":"\u003cp\u003e\u003cstrong\u003eAerostar 20x20x1 MERV 13 pleated air filter 4-pack delivers high-efficiency capture of fine airborne particles while fitting standard HVAC and furnace slots.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Aerostar filters use electrostatically charged 100% synthetic pleated media sized at an actual 19 3\/4\" x 19 3\/4\" x 3\/4\" to trap particles between 0.3 and 1.0 microns. Rated MERV 13 (comparable to MPR 1500–1900 and FPR 10), they balance filtration performance with low airflow resistance so most residential heating and cooling systems keep running efficiently. This four-pack offers an easy, cost-effective way to maintain indoor air quality and reduce particulate buildup in your HVAC system.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe Aerostar MERV 13 media captures a wide range of fine particles that standard fiberglass filters miss, including pollen, pet dander, smoke and many fine dust particles. Because the material is electrostatically charged, it attracts and holds smaller particulates without dramatically increasing airflow resistance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated MERV 13 for high-efficiency particle capture\u003c\/li\u003e\n  \u003cli\u003eCaptures particles as small as 0.3–1.0 microns\u003c\/li\u003e\n  \u003cli\u003eElectrostatic synthetic media increases particle adhesion\u003c\/li\u003e\n  \u003cli\u003eComparable performance to MPR 1500–1900 and FPR 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters fit my HVAC or furnace and are they easy to install?\u003c\/h3\u003e\n\u003cp\u003eYes—these are nominal 20x20x1 filters with an actual size of 19 3\/4\" x 19 3\/4\" x 3\/4\", designed to slide into standard residential filter slots. The pleated construction and rigid frame make handling and insertion straightforward for most homeowners.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal 20x20x1 sizing with precise actual dimensions\u003c\/li\u003e\n  \u003cli\u003eRigid pleated frame resists collapse during installation\u003c\/li\u003e\n  \u003cli\u003eWorks in most furnaces, air handlers, and return vents that accept 1\" filters\u003c\/li\u003e\n  \u003cli\u003eSimple pull-and-replace maintenance—no tools required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change the Aerostar MERV 13 filters?\u003c\/h3\u003e\n\u003cp\u003eRecommended replacement intervals vary with system use and home conditions. For typical households, change the filter every 60–90 days; increase frequency to about 30 days when the HVAC runs heavily in summer or winter, or if you have pets, smokers, or high pollen seasons.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard use: replace every 60–90 days\u003c\/li\u003e\n  \u003cli\u003eHigh-use or seasonal peaks: replace every 30 days\u003c\/li\u003e\n  \u003cli\u003eHomes with pets, allergies, or smokers may need more frequent changes\u003c\/li\u003e\n  \u003cli\u003eRegular changes help maintain efficiency and lower HVAC maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these filters affect my HVAC efficiency or operating costs?\u003c\/h3\u003e\n\u003cp\u003eAerostar filters are designed to offer high particle capture while minimizing airflow restriction to protect system efficiency. Keeping filters clean and replacing them on schedule reduces motor strain and limits dust buildup on coils, which can preserve efficiency and lower service needs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow airflow resistance thanks to synthetic pleated media\u003c\/li\u003e\n  \u003cli\u003eHelps reduce dust accumulation on internal components\u003c\/li\u003e\n  \u003cli\u003eRegular use can reduce maintenance frequency and help system longevity\u003c\/li\u003e\n  \u003cli\u003eFour-pack supply supports scheduled replacements across seasons\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Aerostar 20x20x1 MERV 13 4-pack is suited to homeowners and renters with standard 1\" filter slots who want stronger filtration than basic fiberglass filters provide. It’s a practical choice for households with pets, seasonal allergies, smoke exposure, or anyone aiming to reduce fine airborne particles and keep their HVAC system running cleanly without major airflow compromise. If your system manufacturer permits MERV 13 filters, this four-pack gives you a straightforward path to improved indoor air hygiene and easier seasonal 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: Are Aerostar MERV 13 filters safe for my home HVAC unit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most residential systems can use MERV 13, but check your HVAC manufacturer’s recommendations to ensure compatibility and avoid voiding warranties.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many filters come in the pack and what are the exact dimensions?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This product is a 4-pack. Nominal size is 20x20x1; actual dimensions are 19 3\/4\" x 19 3\/4\" x 3\/4\".\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aerostar","offers":[{"title":"Default Title","offer_id":54585723912531,"sku":"B07YYKNY4N","price":93.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/aerostar-frontal-empaque-pack-de-4.jpg?v=1786672919"},{"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-hvac-14x30x1-merv-13-mpr-1900-paquete-de-2-captura-microparticulas-y-flujo-de-aire-eficiente","title":"Filtrete 14x30x1 MERV 13 Air Filter 2-Pack (MPR 1900) — 3-Month High-Flow Pleated HVAC Filters","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 14x30x1 MERV 13 (MPR 1900) is a two-pack of 1-inch pleated HVAC filters engineered to capture microscopic and large airborne particles while maintaining strong airflow for 3-month residential use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Filtrete filter pair combines high-efficiency media with a slim, pleated design so your furnace or air conditioner can remove contaminants without excessive system strain. Made by 3M and rated MPR 1900 with a MERV 13 classification, these filters are intended for routine household HVAC maintenance and are sized to fit systems that accept a 14x30x1 nominal filter (actual 13.81x29.81x0.78 in). The pack includes two filters designed to be replaced every 90 days for consistent performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter balance filtration and airflow?\u003c\/h3\u003e\n\n\u003cp\u003eThe Filtrete 14x30x1 MERV 13 uses a pleated synthetic media optimized to capture very small particles while allowing air to pass efficiently. Compared with other residential 1-inch MERV 13 retail filters, it is engineered for higher airflow to reduce resistance on home HVAC systems.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHigh-efficiency media traps microparticles between 0.3–1 micron.\u003c\/li\u003e\n  \u003cli\u003eMPR 1900 rating indicates elevated particle capture capability.\u003c\/li\u003e\n  \u003cli\u003ePleated construction increases surface area for better flow.\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet common residential furnace and air conditioner specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat types of particles will it remove from my home air?\u003c\/h3\u003e\n\n\u003cp\u003eThis filter is formulated to pull out a wide range of airborne contaminants, from visible dust and pollen to ultrafine particles that can carry bacteria or viral material. It’s also certified asthma and allergy-friendly for common household triggers.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCaptures large particles like lint, pollen and household dust.\u003c\/li\u003e\n  \u003cli\u003eReduces pet dander and smoke particulates.\u003c\/li\u003e\n  \u003cli\u003eHelps capture microscopic particles including some bacteria-sized particles.\u003c\/li\u003e\n  \u003cli\u003eDesigned to lower airborne particles that contribute to indoor irritation.\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\n\u003cp\u003eFiltrete recommends changing this 1-inch pleated filter every 90 days for reliable airflow and filtration. Use the Filtrete Smart App to set reminders by scanning the barcode on the packaging and choosing a 30-, 60- or 90-day replacement schedule.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eStandard recommended replacement: once every 90 days for typical residential use.\u003c\/li\u003e\n  \u003cli\u003eUse Filtrete Smart App for automatic replacement reminders.\u003c\/li\u003e\n  \u003cli\u003eMore frequent changes may be needed in homes with pets or high pollutant loads.\u003c\/li\u003e\n  \u003cli\u003eReplacing regularly maintains system efficiency and consistent particle capture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter work with my furnace or air conditioner?\u003c\/h3\u003e\n\n\u003cp\u003eThe filters are intended for residential HVAC systems that accept 14x30x1 nominal filters; the actual dimensions are 13.81x29.81x0.78 inches. They are suitable for typical furnaces, air conditioners and combined HVAC systems used in homes.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNominal size: 14x30x1; actual size provided for accurate fit checking.\u003c\/li\u003e\n  \u003cli\u003eDesigned for standard 1-inch filter slots in residential units.\u003c\/li\u003e\n  \u003cli\u003eWorks in both heating and cooling cycles without modification.\u003c\/li\u003e\n  \u003cli\u003eNot intended for industrial or non-residential HVAC systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Filtrete 14x30x1 MERV 13 (MPR 1900) 2-pack is aimed at homeowners who want stronger particle removal than basic filters while preserving good airflow for their HVAC system. It suits families with pets, allergy sufferers, or anyone looking to reduce household dust, pollen and many microscopic particles without switching to a thicker or system-specific filter. Use it as a routine three-month replacement in compatible residential furnaces and air conditioners to help 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: Is this filter compatible with my 14x30x1 furnace slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The nominal size is 14x30x1; actual dimensions are 13.81x29.81x0.78 inches, so it fits standard residential 1-inch filter slots.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long will each Filtrete MERV 13 filter last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each filter is designed for up to 90 days of typical residential use; change sooner in homes with heavy dust, pets, or smoke.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54585999229267,"sku":"B00TUDHSL2","price":101.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-14x30x1.jpg?v=1786677614"},{"product_id":"filtrete-filtro-hvac-20x24x1-merv-13-mpr-1900-paquete-de-2-1-pulg-alta-captura-y-flujo-eficiente","title":"Filtrete 20x24x1 HVAC Air Filters MERV 13 MPR 1900 — 2-Pack, 3-Month High Filtration \u0026 Low Pressure Drop","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x24x1 MERV 13 (MPR 1900) is a two-pack of 1-inch pleated HVAC filters engineered to capture microscopic and larger particles while maintaining high airflow for residential furnaces and air conditioners.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Filtrete filters combine a MERV 13 rating with a 1900 MPR (Microparticle Performance Rating) and proprietary Filtrete 3-in-1 technology to capture a broad range of airborne particles—everything from lint and pollen to smaller microparticles—without imposing excessive resistance on your home HVAC system. Each filter is rated for roughly a 3-month service interval under normal household conditions and is sized to fit systems that accept a 20 x 24 x 1 (actual 19.81 x 23.81 x 0.78 in) filter. Filtrete also supports easy replacement reminders through its Smart App for iOS and Android.\u003c\/p\u003e\n\n\u003ch3\u003eHow well does this filter balance filtration and airflow?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 1900, MERV 13 design focuses on strong particle capture while preserving airflow to avoid unnecessary strain on residential systems. It’s engineered to deliver higher airflow than many comparable retail MERV 13 1\" filters, according to manufacturer-claimed data. That helps maintain comfort and system efficiency while removing a wide size range of particles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh MPR 1900 for enhanced microparticle capture\u003c\/li\u003e\n  \u003cli\u003eMERV 13 rating for broad-spectrum filtration of small and larger particles\u003c\/li\u003e\n  \u003cli\u003eDesigned to reduce pressure drop versus some other MERV 13 retail filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of particles can this Filtrete filter trap?\u003c\/h3\u003e\n\u003cp\u003eThis filter is built to capture both large allergens—like pollen, dust and pet dander—and smaller airborne particles, including many microparticles in the 0.3–1.0 micron size range. It’s intended to improve household air quality by reducing particulate load on the circulating air that reaches living spaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge particles: lint, pollen, household dust\u003c\/li\u003e\n  \u003cli\u003eAllergen sources: pet dander and mold spores\u003c\/li\u003e\n  \u003cli\u003eSmaller particles: microparticles down to 0.3 microns (captured at rated efficiency)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the filter and how do reminders work?\u003c\/h3\u003e\n\u003cp\u003eFiltrete recommends replacing each 1-inch pleated filter at least every 90 days under typical residential use to maintain performance and airflow. For added convenience, use the Filtrete Smart App to scan the barcode on the package and choose a 30-, 60- or 90-day reminder cadence; the app will notify you when it’s time to swap filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard replacement: every 90 days for normal conditions\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App for barcode scanning and reminder setup\u003c\/li\u003e\n  \u003cli\u003eChoose 30\/60\/90-day countdown options based on household needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my HVAC system and where can I use it?\u003c\/h3\u003e\n\u003cp\u003eThe pack includes two filters sized to the common nominal dimension 20 x 24 x 1, with the actual measurements listed on the package to ensure correct fit. These filters are intended for residential furnaces, air conditioners and combination HVAC setups that accept 1-inch pleated filters. Confirm the frame clearance in your equipment before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal size: 20 x 24 x 1 (actual 19.81 x 23.81 x 0.78 in)\u003c\/li\u003e\n  \u003cli\u003eDesigned for residential furnace and AC filter slots that accept 1\" pleats\u003c\/li\u003e\n  \u003cli\u003eSold as a 2-pack for two filter changes or two locations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and renters who want a retail-ready 1-inch HVAC filter that prioritizes particle removal while keeping airflow high. It’s a practical choice for households with allergies, pets, or regular airborne dust where maintaining system performance is important. Installers and property managers who need a reliable, widely available MERV 13 option for residential systems will also appreciate the two-pack format and app-based reminder features.\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 1-inch HVAC slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this pack is nominally 20x24x1 (actual 19.81x23.81x0.78 in). Confirm your system accepts 1-inch pleated filters before installing.\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 MERV 13 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Change at least every 90 days under normal conditions; use the Filtrete Smart App to set 30\/60\/90-day reminders.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54585999393107,"sku":"B00TUDHSM6","price":95.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-20x24x1.jpg?v=1786677614"},{"product_id":"filtrete-filtro-de-aire-24x24x1-merv-13-pack-2-mpr-1900-1-pulg-alta-captura-de-microparticulas","title":"Filtrete 24x24x1 MERV 13 Air Filter — 2-Pack MPR 1900 Pleated 1-inch Filters, High Airflow","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 24x24x1 MERV 13 (MPR 1900) 2-pack are pleated HVAC filters designed to capture microscopic and larger particles while maintaining higher airflow than other residential 1\" MERV 13 filters.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Filtrete filters by 3M combine a high MPR 1900 rating with a certified MERV 13 efficiency to help reduce airborne particles such as pollen, pet dander, smoke, and many microparticles down to 0.3–1.0 microns. Packaged as two 1-inch pleated filters, they’re intended for standard home furnaces, air conditioners, and HVAC return grilles and are recommended for replacement every 90 days, or sooner in higher-pollution or pet-heavy households.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this filter affect airflow and my HVAC’s performance?\u003c\/h3\u003e\n\u003cp\u003eFiltrete engineered these 1-inch MERV 13 filters to deliver better airflow than typical residential MERV 13 competitors, helping your HVAC system move air efficiently while still trapping fine particles. Better airflow can reduce strain on your system compared with denser filters that restrict circulation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh airflow design proven against other retail 1\" MERV 13 filters.\u003c\/li\u003e\n  \u003cli\u003ePleated media balances particle capture with reduced air resistance.\u003c\/li\u003e\n  \u003cli\u003eWorks with standard home HVAC fans without requiring system changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of particles does this Filtrete filter remove?\u003c\/h3\u003e\n\u003cp\u003eThis filter targets a range of contaminants: large particles like lint and pollen, common household allergens such as pet dander, and many microparticles including smoke and bacteria-size particulates. While not a medical device, it helps lower airborne dust and many small particles that pass through a typical home system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures pollen, mold spores, and household dust.\u003c\/li\u003e\n  \u003cli\u003eReduces pet dander and lint from circulating air.\u003c\/li\u003e\n  \u003cli\u003eCollects microparticles in the 0.3–1.0 micron range with a high capture rate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace the filter and can I get reminders?\u003c\/h3\u003e\n\u003cp\u003eFor most homes, Filtrete recommends replacing this 1-inch pleated filter every 90 days to maintain airflow and filtration performance. If you have pets, live near construction, or experience higher indoor pollutants, check and replace more often. You can set reminders by scanning the filter barcode in the Filtrete Smart App to choose 30-, 60- or 90-day replacement notifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard replacement interval: 90 days for typical residential use.\u003c\/li\u003e\n  \u003cli\u003eAdjust frequency for pets, allergies, or high pollution exposure.\u003c\/li\u003e\n  \u003cli\u003eUse Filtrete Smart App for barcode scanning and automatic reminders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this filter safe for allergy or asthma sufferers?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 1900 MERV 13 filter is certified asthma and allergy-friendly and was developed to reduce many common household allergens that can aggravate symptoms. It does not treat or prevent medical conditions, but it can lower airborne allergen loads when used as part of broader home management strategies.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCertified asthma and allergy-friendly by an independent program.\u003c\/li\u003e\n  \u003cli\u003eHelps reduce airborne pollen, pet dander, and dust mite debris.\u003c\/li\u003e\n  \u003cli\u003eBest used in combination with cleaning and humidity control measures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and renters who want a balance of strong particle capture and good airflow in a standard 1-inch furnace or AC filter. Ideal for people with pets, seasonal allergies, or those wanting a higher-performing residential MERV 13 option that integrates with app-based replacement reminders. Not intended for industrial use or medical isolation; designed for residential HVAC 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: Can I use this Filtrete filter in any home HVAC system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it fits standard 24x24x1 return grilles and residential furnaces or AC units that accept 1\" filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this filter block viruses and bacteria completely?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It captures many microparticles, including some bacteria-size particles, but it does not guarantee complete virus removal or medical protection.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54585999425875,"sku":"B00TUDHPRE","price":98.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-24x24x1.jpg?v=1786677614"},{"product_id":"aerostar-filtro-hvac-20x20x1-merv-13-paquete-de-6-plisado-electrostatico-para-aire-interior","title":"Aerostar 20x20x1 MERV 13 Air Filter — 6-Pack Pleated Electrostatic HVAC\/Furnace Filter","description":"\u003cp\u003e\u003cstrong\u003eAerostar 20x20x1 MERV 13 pleated air filters — a six-pack of high-efficiency HVAC filters engineered to trap fine particles while maintaining airflow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Aerostar filters are designed for residential and commercial furnaces and air conditioners that accept a nominal 1-inch filter. Built with electrostatically charged synthetic media and reinforced pleats, each filter targets microscopic contaminants without dramatically increasing system resistance. They come in a six-count pack and the actual dimensions are 19 3\/4\" x 19 3\/4\" x 3\/4\", making them compatible with most standard filter slots and comparable to MPR 1500–1900 \/ FPR 10 performance tiers.\u003c\/p\u003e\n\n\u003ch3\u003eHow effective is the Aerostar MERV 13 at removing airborne particles?\u003c\/h3\u003e\n\n\u003cp\u003eThese filters use MERV 13-rated media to capture a wide range of particles from the air stream. The electrostatically charged pleated fibers increase particle capture efficiency for submicron contaminants while still allowing sufficient airflow through HVAC systems.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCaptures many particles in the 0.3–1.0 micron range, including pollen, smoke, and fine dust.\u003c\/li\u003e\n  \u003cli\u003eReduces visible dust, pet dander, and airborne spores that circulate in homes.\u003c\/li\u003e\n  \u003cli\u003ePerformance comparable to Filtrete MPR 1500–1900 and Honeywell FPR 10 filters.\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 built to fit standard 1-inch filter slots commonly found in residential and light commercial HVAC systems. The nominal size is 20x20x1 but the stated actual dimensions are 19.75\" x 19.75\" x 0.75\", so check your unit's filter frame before ordering to ensure a proper fit.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNominal size: 20 x 20 x 1 inch; actual size: 19.75 x 19.75 x 0.75 inches.\u003c\/li\u003e\n  \u003cli\u003eCompatible with many brands including Carrier, Bryant, Payne, and Honeywell.\u003c\/li\u003e\n  \u003cli\u003eFits any standard 1-inch filter slot in furnaces and air handlers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long should I use each Aerostar MERV 13 filter before replacing it?\u003c\/h3\u003e\n\n\u003cp\u003eFilter life depends on usage patterns and environmental factors, but typical replacement intervals range from one to three months. If your HVAC runs heavily during hot summers or cold winters, or if household allergens are a concern, check the filter monthly and replace sooner when it appears dirty.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGeneral recommendation: replace every 60–90 days under normal conditions.\u003c\/li\u003e\n  \u003cli\u003eIncrease frequency to about 30 days during peak HVAC load or high-pollution periods.\u003c\/li\u003e\n  \u003cli\u003eInspect visually; dark discoloration or reduced airflow indicates replacement is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill higher filtration reduce my HVAC efficiency or increase costs?\u003c\/h3\u003e\n\n\u003cp\u003eAerostar MERV 13 filters are designed to balance particle removal with airflow to avoid undue strain on systems when used as intended. The pleated, electrostatic media maintains effective filtration without dramatically increasing pressure drop, but it's important to replace filters on schedule to avoid accumulated dirt that can impede airflow.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePleated design and electrostatic charge aim to trap particles while preserving airflow.\u003c\/li\u003e\n  \u003cli\u003eRegular replacement helps maintain system efficiency and reduces motor strain.\u003c\/li\u003e\n  \u003cli\u003eUsing appropriately sized filters prevents bypass and performance loss.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and small commercial operators who want a step up from basic fiberglass filters—those who prioritize removing fine particulates like pollen, pet dander, smoke, and fine dust while keeping their HVAC units running efficiently. This six-pack is suitable for allergy-conscious households, pet owners, or anyone seeking a higher filtration level without bespoke HVAC modifications. If you need a filter that fits standard 1-inch slots and offers enhanced particle capture comparable to high-tier branded filters, the Aerostar 20x20x1 MERV 13 6-pack is a practical, ready-to-install 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: Are these filters compatible with my 1-inch furnace slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—nominal 20x20x1 fits standard 1-inch slots; actual size is 19.75 x 19.75 x 0.75 inches.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change Aerostar MERV 13 filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 60–90 days normally; check monthly and replace every 30 days during heavy use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aerostar","offers":[{"title":"Default Title","offer_id":54586015449427,"sku":"B01CR9K33K","price":111.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/aerostar-filtro-frontal-empaque.jpg?v=1786677776"},{"product_id":"filtrete-filtro-de-aire-20x30x1-merv-13-mpr-1900-pack-2-alta-captura-y-buen-flujo-de-aire","title":"Filtrete 20x30x1 MERV 13 Air Filters (2-Pack) MPR 1900 — 1\" Pleated, 3-Month Life, High Airflow","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x30x1 MERV 13 (MPR 1900) is a 2-pack of pleated 1\" HVAC filters engineered to capture fine microparticles while preserving strong airflow for residential furnaces and air conditioners.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Filtrete filter set combines a high MPR 1900 rating with a MERV 13 classification to trap a range of airborne particles—from large dust and pollen to many microparticles sized 0.3–1.0 microns—while maintaining better airflow than competing retail 1\" MERV 13 filters. Manufactured by 3M, these 3-month pleated filters are intended for routine use in home HVAC systems and come with smart-app reminders to help you replace them on schedule.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter balance filtration and HVAC airflow?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 1900 design uses a pleated media and a tuned fiber matrix to capture particles without excessively restricting airflow. That means your heating or cooling system can run efficiently while the filter collects contaminants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 13 rating for strong particle capture across many sizes\u003c\/li\u003e\n  \u003cli\u003eMPR 1900 engineered for higher airflow relative to other 1\" MERV 13 retail filters\u003c\/li\u003e\n  \u003cli\u003ePleated construction increases surface area for longer service life\u003c\/li\u003e\n  \u003cli\u003eDesigned for standard 1\" HVAC filter slots in furnaces and AC units\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat types of particles will it capture in a home?\u003c\/h3\u003e\n\u003cp\u003eThis Filtrete filter targets a broad spectrum of airborne matter: visible large particles such as lint and pollen, mid-sized allergens like pet dander, and many microparticles that can carry bacteria or viruses. It helps reduce common household pollutants that contribute to indoor dust and odors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures lint, dust, pollen and mold spores\u003c\/li\u003e\n  \u003cli\u003eReduces pet dander and many smoke particles\u003c\/li\u003e\n  \u003cli\u003eCaptures microscopic particles (0.3–1.0 microns) at a high rate\u003c\/li\u003e\n  \u003cli\u003eCertified asthma and allergy-friendly for residential environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change these 20x30x1 filters and how do I remember?\u003c\/h3\u003e\n\u003cp\u003eFiltrete recommends replacing the pleated 1\" filter at least every 90 days under typical residential conditions. The Filtrete Smart App simplifies tracking: scan the package barcode, choose a 30\/60\/90-day cadence, and receive replacement reminders when it’s time to swap filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard 3-month replacement interval for normal residential use\u003c\/li\u003e\n  \u003cli\u003eShorten interval if you have pets, smokers, or high dust levels\u003c\/li\u003e\n  \u003cli\u003eUse Filtrete Smart App barcode scan to set automated reminders\u003c\/li\u003e\n  \u003cli\u003eTwo filters per pack for sequential replacements or multi-zone systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my furnace or AC system?\u003c\/h3\u003e\n\u003cp\u003eThe listed actual size is 19.62 x 29.62 x 0.78 inches and is intended for standard 1\" filter slots in residential HVAC equipment. Always double-check your system’s required filter dimensions and placement direction before installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual dimensions: 19.62 x 29.62 x 0.78 inches (fits 20x30x1 slots)\u003c\/li\u003e\n  \u003cli\u003eWorks in furnaces, central air conditioners, and standard HVAC systems\u003c\/li\u003e\n  \u003cli\u003eResidential use only—verify compatibility with your unit manual\u003c\/li\u003e\n  \u003cli\u003eTwo-pack provides a spare or coverage for two systems\/filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this filter for? Homeowners seeking stronger particle capture without sacrificing HVAC performance will appreciate this Filtrete 20x30x1 MPR 1900 MERV 13 two-pack. It’s well suited for families with allergies, pet owners, or anyone wanting improved home air cleanliness while keeping their furnace and air conditioner operating efficiently. If you need higher filtration than standard MERV 8 filters but still require good airflow through a 1\" slot, this Filtrete option 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 this filter compatible with my 20x30x1 HVAC slot?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The actual size is 19.62 x 29.62 x 0.78 inches and fits standard 20x30x1 residential 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 Filtrete MERV 13 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace at least every 90 days for typical home use, sooner if you have pets, smokers, or elevated dust.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54586063814995,"sku":"B07CQKXGD7","price":98.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-frontal-empaque-20x30x1.jpg?v=1786678542"},{"product_id":"aerostar-16x25x1-merv-13-hvac-air-filter-6-pack-pleated-electrostatic-heavy-duty-frame","title":"Aerostar 16x25x1 MERV 13 HVAC Air Filter 6-Pack — Pleated Electrostatic, Heavy-Duty Frame","description":"\u003cp\u003e\u003cstrong\u003eAerostar 16x25x1 MERV 13 pleated air filters (6-pack) provide high-efficiency particle capture for residential HVAC and furnace systems while supporting improved airflow and system longevity.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Aerostar filters are engineered to fit standard 1-inch filter slots and use electrostatically charged synthetic media to trap fine airborne particles from 0.3 to 1.0 microns. Sold in a convenient six-count, the filters are comparable to MPR 1500–1900 and FPR 10 ratings and include a heavy-duty frame with moisture-resistant backing. They’re intended for routine replacement—typically every 60–90 days—to keep your system running efficiently and maintain better indoor air quality.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this filter improve indoor air quality?\u003c\/h3\u003e\n\u003cp\u003eThe MERV 13 media captures a broad range of small particles that common lower-rated filters miss, reducing the amount of dust, pollen, pet dander, and fine particulates circulating in your home. The electrostatic charge helps attract and hold particles so they stay out of ductwork and living spaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCaptures particles as small as 0.3–1.0 microns, including smoke and fine dust.\u003c\/li\u003e\n  \u003cli\u003eElectrostatically charged pleats increase particle adhesion without excessive airflow restriction.\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty frame resists moisture and helps prevent filter collapse under load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my furnace or AC system?\u003c\/h3\u003e\n\u003cp\u003eAerostar 16x25x1 filters are designed for universal compatibility with most residential and many commercial HVAC units that accept a 1-inch filter. The actual filter dimensions are 15 3\/4\" x 24 3\/4\" x 3\/4\", so check your cabinet slot and model recommendations before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual size: 15 3\/4\" x 24 3\/4\" x 3\/4\" for accurate fit verification.\u003c\/li\u003e\n  \u003cli\u003eComparable part numbers and cross-references include Filtrete MPR 1500–1900 and Honeywell FPR 10.\u003c\/li\u003e\n  \u003cli\u003eWorks with many brands such as Carrier, Bryant, Payne, and Honeywell.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I replace these filters and how do they affect HVAC performance?\u003c\/h3\u003e\n\u003cp\u003eReplacement frequency depends on usage and environmental conditions; typical intervals are 60–90 days, with monthly changes advised during heavy-use seasons. Regular replacement reduces dirt buildup on coils and blower components, which can improve energy efficiency and lower maintenance needs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard change interval: every 60–90 days under normal use.\u003c\/li\u003e\n  \u003cli\u003eIncrease to every 30 days during peak summer and winter or with pets\/occupants sensitive to allergens.\u003c\/li\u003e\n  \u003cli\u003eCleaner filters help reduce strain on motors and maintain airflow, potentially lowering utility costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the construction and safety features of these filters?\u003c\/h3\u003e\n\u003cp\u003eEach Aerostar filter uses reinforced pleated synthetic media inside a rigid beverage-board frame with moisture-resistant backing. The build is intended to withstand typical HVAC airflow pressures while maintaining filtration efficiency throughout the rated service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable pleated synthetic fibers with electrostatic charge for enhanced capture.\u003c\/li\u003e\n  \u003cli\u003eMoisture-resistant backing and reinforced frame to prevent sagging or collapse.\u003c\/li\u003e\n  \u003cli\u003ePleat design maximizes surface area for longer life between changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Aerostar 16x25x1 MERV 13 6-pack is aimed at homeowners and small-business operators who want a step-up in filtration efficiency without replacing existing 1-inch filter housings. It suits households with pets, seasonal allergy concerns, or residents seeking to reduce fine dust and airborne particles while protecting HVAC equipment. If you need a high-capture, easy-to-install filter that balances performance and value, this Aerostar pack 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: Are these Aerostar filters true 16x25x1?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—the nominal size is 16x25x1 and the actual dimensions are 15 3\/4\" x 24 3\/4\" x 3\/4\" for accurate fitting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can MERV 13 filters be used in any home HVAC unit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most residential systems that accept 1-inch filters can use MERV 13, but check your HVAC manufacturer’s airflow guidance before upgrading.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aerostar","offers":[{"title":"Default Title","offer_id":54587503346003,"sku":"B01CR9JNGS","price":112.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/aerostar-front-packaging-6pack.jpg?v=1786705762"},{"product_id":"filtrete-filtro-de-aire-16x20x1-merv-13-mpr-1900-pack-2-alto-rendimiento-y-flujo-eficiente","title":"Filtrete 16x20x1 MERV 13 Air Filter 2-Pack (MPR 1900) — Pleated 1\" Filters for Allergens \u0026 Bacteria, 90-Day Life","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 16x20x1 MERV 13 (MPR 1900) air filters are pleated 1\" HVAC filters sold as a two-pack that capture allergens, bacteria-carrying particles, and many microparticles while preserving strong airflow for residential furnaces and AC systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Filtrete filters by 3M combine a high MPR 1900 rating with a MERV 13 classification to trap a wide range of airborne debris — from visible dust and pollen to very small particles measured in fractions of a micron — while still allowing efficient airflow through your heating and cooling equipment. Each filter measures 16 x 20 x 1 inches (actual 15.62 x 19.62 x 0.78 in), is intended for up to 90 days of use, and includes smart-app integration for replacement reminders.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these filters balance filtration and airflow?\u003c\/h3\u003e\n\u003cp\u003eFiltrete designed this MPR 1900 \/ MERV 13 filter to offer strong particle capture without unduly restricting your HVAC system. Lab-based comparisons show these 1\" pleated filters deliver higher airflow than other retail MERV 13 residential filters, helping systems run efficiently while filtering smaller particulates.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh MPR 1900 rating for fine-particle attraction\u003c\/li\u003e\n  \u003cli\u003eMERV 13 classification for capturing many microparticles\u003c\/li\u003e\n  \u003cli\u003ePleated 1\" design that preserves airflow through the system\u003c\/li\u003e\n  \u003cli\u003eManufacturer data indicating leading airflow among similar retail MERV 13 filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of particles will it remove from home air?\u003c\/h3\u003e\n\u003cp\u003eThis Filtrete filter captures a broad spectrum of airborne material: larger, visible contaminants and much smaller particles that can travel on air currents. It’s engineered to trap pet dander, pollen, dust, lint, many bacteria-carrying particles, and a portion of ultrafine particles in the 0.3–1.0 micron range.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge particles: pollen, household dust, lint\u003c\/li\u003e\n  \u003cli\u003eCommon allergens: pet dander, mold spores\u003c\/li\u003e\n  \u003cli\u003eMicroparticles: many particles between 0.3–1.0 micron\u003c\/li\u003e\n  \u003cli\u003eImproved capture of bacteria-carrying particles and smoke particulates\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change the filter and how can I remember?\u003c\/h3\u003e\n\u003cp\u003eFor typical residential use, swap the Filtrete 16x20x1 every 90 days to keep the filter working effectively and to avoid airflow restriction from buildup. Filtrete also offers a Smart App that scans the filter barcode to set replacement reminders at 30, 60 or 90-day intervals and notifies you when it’s time to change it.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended replacement: at least every 90 days\u003c\/li\u003e\n  \u003cli\u003eSmart App barcode scan for automated reminders\u003c\/li\u003e\n  \u003cli\u003eChoose 30-, 60- or 90-day countdowns in-app\u003c\/li\u003e\n  \u003cli\u003eTwo filters per pack for consecutive replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter fit my furnace or AC system?\u003c\/h3\u003e\n\u003cp\u003eThese are standard retail 1\" pleated filters sized nominally 16x20x1 inches; confirm your system’s required filter size (actual 15.62 x 19.62 x 0.78 in listed) before ordering. They’re intended for residential furnaces, air conditioners, and other HVAC equipment that accept 1\" filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal size: 16 x 20 x 1 inches; actual listed dimensions available\u003c\/li\u003e\n  \u003cli\u003eDesigned for residential furnace and AC systems\u003c\/li\u003e\n  \u003cli\u003eSold as a two-pack for multiple changes\u003c\/li\u003e\n  \u003cli\u003eDo not use in industrial or non-residential HVAC systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Homeowners and renters who want stronger particle capture than standard filters but still need reliable airflow for their heating and cooling systems will benefit from this Filtrete MERV 13 (MPR 1900) 2-pack. It’s a practical choice for people managing seasonal allergens, pet dander, household dust, or who prefer app-based reminders to keep filter changes 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: Is this filter safe for my residential HVAC system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This 1\" Filtrete MERV 13 filter is designed for residential furnaces and AC systems; confirm your unit accepts 1\" filters and the nominal 16x20x1 size.\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?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each filter is intended for up to 90 days of typical residential use; individual lifespan depends on indoor pollution and system runtime.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54596710629715,"sku":"B00TUDHMOA","price":82.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-16x20x1.jpg?v=1786984532"},{"product_id":"filtrete-filtro-20x20x1-merv-13-mpr-1900-pack-2-captura-microparticulas-y-mantiene-flujo-de-aire","title":"Filtrete 20x20x1 Air Filter MERV 13 MPR 1900, 2-Pack Pleated 1\" Filters — High Microparticle Capture \u0026 Better Airflow","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 20x20x1 MERV 13 (MPR 1900) is a two-filter pack of pleated 1\" HVAC filters engineered to capture microscopic and larger airborne particles while maintaining higher airflow than other residential MERV 13 options.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Filtrete set, made by 3M, combines a high MPR (1900) and MERV 13 rating with the brand’s 3-in-1 pleated media to trap a wide range of contaminants—from lint and pollen to pet dander and many microparticles—without overly restricting your furnace or air conditioner airflow. Each filter is sized for common home systems (actual 19.62 x 19.62 x 0.78 inches) and is intended for residential HVAC use with recommended replacement every 90 days for steady performance. The design balances particle capture and system efficiency, and works with the Filtrete Smart App for simple change reminders.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this Filtrete filter balance filtration and airflow?\u003c\/h3\u003e\n\u003cp\u003eThe filter uses pleated media and an optimized fiber layout to trap particles while letting conditioned air flow through efficiently. Filtrete reports that this MPR 1900 product provides higher airflow than other retail MERV 13 1\" residential filters, helping reduce strain on many HVAC systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMERV 13 rating for finer particle capture.\u003c\/li\u003e\n  \u003cli\u003eMPR 1900 measurement emphasizes microscopic particle performance.\u003c\/li\u003e\n  \u003cli\u003ePleated 1\" construction maintains usable airflow for home systems.\u003c\/li\u003e\n  \u003cli\u003eDesigned to fit common 20x20 filter slots (actual size slightly under 20\" for easy installation).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of particles will these filters remove from indoor air?\u003c\/h3\u003e\n\u003cp\u003eThese Filtrete filters are engineered to collect a broad spectrum of airborne material. They capture large debris like dust and pollen and also have measurable efficiency for microparticles that can include certain bacteria-carrying particles and smoke-sized aerosols.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge particles: dust, lint, pet hair, pollen, mold spores.\u003c\/li\u003e\n  \u003cli\u003eSmaller particulates: pet dander, smoke, and many microparticles 0.3–1.0 micron.\u003c\/li\u003e\n  \u003cli\u003eMeasured microparticle capture rate to support cleaner indoor air.\u003c\/li\u003e\n  \u003cli\u003eCertified asthma- and allergy-friendly as outlined by the referenced certification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change these AC\/furnace filters and how can I remember?\u003c\/h3\u003e\n\u003cp\u003eFiltrete recommends replacing this pleated 1\" filter every 90 days for typical residential use. Conditions such as pets, high dust, or heavy seasonal allergens may require more frequent replacement to maintain both air quality and HVAC efficiency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard replacement interval: every 90 days (3 months).\u003c\/li\u003e\n  \u003cli\u003eUse the Filtrete Smart App to scan the barcode and set 30\/60\/90-day reminders.\u003c\/li\u003e\n  \u003cli\u003eShorten intervals if you notice visible dust buildup or reduced airflow.\u003c\/li\u003e\n  \u003cli\u003eRegular changes help preserve heating and cooling system performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter work in my furnace or air conditioner?\u003c\/h3\u003e\n\u003cp\u003eYes—these filters are built for residential HVAC systems, including furnaces and central air units that accept 1\" pleated filters. Always confirm your system accepts a 20 x 20 x 1 size and that the actual dimensions (19.62 x 19.62 x 0.78 in) will fit the filter slot without forcing or gaps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActual dimensions listed to ensure correct fit: 19.62 x 19.62 x 0.78 in.\u003c\/li\u003e\n  \u003cli\u003eIntended for residential HVAC\/furnace\/AC filter slots that accept 1\" pleats.\u003c\/li\u003e\n  \u003cli\u003eNot designed for commercial or industrial units with different filter requirements.\u003c\/li\u003e\n  \u003cli\u003eFits most standard 20x20 housings when installed correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This two-pack of Filtrete 20x20x1 MERV 13 (MPR 1900) filters is aimed at homeowners who want stronger particle capture than basic filters but still need good airflow for their HVAC system. It’s a practical choice for families with pets, seasonal allergies, or anyone seeking improved indoor air cleanliness without upgrading to thicker, higher-restriction filters. If you want app-assisted change reminders and a widely recommended consumer brand, these filters fit that profile. Remember to verify compatibility with your HVAC manufacturer’s specifications before installing.\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 20x20 HVAC slots?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—actual size is 19.62 x 19.62 x 0.78 inches, designed to fit standard 20x20x1 filter housings.\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 MERV 13 MPR 1900 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 90 days under normal conditions; change sooner if you have pets, high dust, or heavy allergen seasons.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54596710924627,"sku":"B00TUDHCEA","price":81.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-2pack_06af9d25-aa02-44d7-b2d0-473134f3708b.jpg?v=1786984542"},{"product_id":"filtrete-filtro-de-aire-16x25x1-merv-13-mpr-1900-paquete-de-2-alta-captura-y-buen-flujo","title":"Filtrete 16x25x1 HVAC Air Filter MERV 13 (MPR 1900) — 2-Pack, 3-Month High Filtration with Reliable Airflow","description":"\u003cp\u003e\u003cstrong\u003eFiltrete 16x25x1 MERV 13 (MPR 1900) is a high-performance 1\" pleated HVAC filter that captures microscopic and larger airborne particles while maintaining strong airflow for three months of residential use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEngineered by 3M, this Filtrete air filter combines a high MPR 1900 rating with a MERV 13 classification to remove many ultrafine particles such as bacteria-size matter and particles that can carry viruses, while still allowing efficient airflow through typical home furnaces and air conditioners. Supplied as a 2-filter pack (actual size 15.62 x 24.62 x 0.78 in), each filter is designed for routine replacement every 90 days for consistent performance and cleaner indoor air.\u003c\/p\u003e\n\n\u003ch3\u003eHow effectively does this filter remove small particles?\u003c\/h3\u003e\n\u003cp\u003eThe Filtrete MPR 1900\/MERV 13 filter is built to trap a wide range of particle sizes, from visible dust and pollen to much smaller microparticles down to the 0.3–1.0 micron range. It delivers a measured microparticle capture rate and is designed to balance filtration with airflow.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated MPR 1900 and MERV 13 for broad particle capture.\u003c\/li\u003e\n  \u003cli\u003eDesigned to capture many microparticles between 0.3 and 1 micron.\u003c\/li\u003e\n  \u003cli\u003eAlso collects larger debris: lint, pollen, pet dander, and dust.\u003c\/li\u003e\n  \u003cli\u003eCertified asthma \u0026amp; allergy-friendly by independent testing bodies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this filter affect HVAC airflow or efficiency?\u003c\/h3\u003e\n\u003cp\u003eFiltrete engineered the pleated media to provide high filtration while minimizing resistance so your heating and cooling system can maintain reliable airflow. Independent comparisons indicate this filter offers among the best airflow for retail 1\" MERV 13 residential filters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh airflow design helps protect system performance.\u003c\/li\u003e\n  \u003cli\u003eCompatible with most furnaces, air conditioners and HVAC systems.\u003c\/li\u003e\n  \u003cli\u003eRecommended replacement every 90 days to preserve efficiency.\u003c\/li\u003e\n  \u003cli\u003ePack of two filters simplifies seasonal swaps and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know when to replace the filter and can I get reminders?\u003c\/h3\u003e\n\u003cp\u003eFor steady performance change the filter at least every three months, or sooner in high-dust homes or if you have pets. Filtrete also offers a Smart App that scans the filter barcode and lets you set 30-, 60- or 90-day countdown reminders so you get notified when it’s time to replace the filter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard guidance: replace at least every 90 days.\u003c\/li\u003e\n  \u003cli\u003eUse Filtrete Smart App to scan barcode and set reminders.\u003c\/li\u003e\n  \u003cli\u003eChoose 30-, 60- or 90-day replacement cycles in the app.\u003c\/li\u003e\n  \u003cli\u003eNotifications prompt timely swaps to sustain air quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this filter a trusted choice and what certifications support it?\u003c\/h3\u003e\n\u003cp\u003eFiltrete is widely recognized as a leading residential filter brand and this product includes third-party certifications that verify its allergy- and asthma-friendly performance. Independent product reviewers and studies cite Filtrete for high filtration capability without excessive strain on home HVAC systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFiltrete brand recognized in consumer studies for residential filters.\u003c\/li\u003e\n  \u003cli\u003eCertified asthma \u0026amp; allergy-friendly per referenced report.\u003c\/li\u003e\n  \u003cli\u003eFeatured by independent reviewers for ultrafine particle performance.\u003c\/li\u003e\n  \u003cli\u003eManufactured using Filtrete 3-in-1 pleated media technology.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners and renters who want stronger particle removal than basic filters while keeping reliable airflow in their furnace or AC. This Filtrete 16x25x1 MERV 13 (MPR 1900) 2-pack suits households with pets, seasonal allergies, or anyone seeking a practical balance of high filtration, system compatibility, and easy maintenance reminders via the Filtrete Smart App. Intended for residential HVAC systems only; follow your system manufacturer’s guidance for filter size and replacement 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: How often should I change the Filtrete 16x25x1 MERV 13 filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 90 days under typical conditions; change sooner 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: Will this filter fit my furnace or AC?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This pack fits systems that accept 16x25x1 nominal filters; confirm your appliance’s required actual size before buying.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filtrete","offers":[{"title":"Default Title","offer_id":54596710990163,"sku":"B00TUDHFJC","price":80.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/filtrete-front-packaging-16x25x1_87f5d7ff-6f45-4fc1-b289-42d9d3d4986d.jpg?v=1786984549"}],"url":"https:\/\/findsworth.co.uk\/collections\/merv-13-air-filters.oembed","provider":"Findsworth","version":"1.0","type":"link"}