{"product_id":"20x22x1-air-filter-merv-11-superior-pet-allergy-defense","title":"20x22x1 Air Filter MERV 11 - Superior Pet \u0026 Allergy Defense","description":"\u003cp\u003eIn this review the Filterbuy 20x22x1 MERV 11 pack is evaluated for homeowners and small businesses that need dependable allergy and pet dander control without compromising HVAC airflow. The strongest reason to consider these filters is the combination of \u003cstrong\u003eMERV 11 performance\u003c\/strong\u003e and durable construction: electrostatically charged synthetic media captures fine particles while a dual wire-backed beverage board frame resists bending and temperature swings. For anyone wanting a longer-lasting, better-fitting alternative to basic fiberglass panels, these filters are a practical choice.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal compatibility:\u003c\/strong\u003e Sized for standard 20x22x1 slots (actual size 19.50 in x 21.50 in x 0.75 in) so they fit most furnace, AC, and heat pump filter tracks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 11 filtration:\u003c\/strong\u003e Synthetic media rated to trap a high percentage of dust, pet dander, and allergens while maintaining adequate airflow for residential HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic pleated media:\u003c\/strong\u003e Fourteen pleats per foot increase surface area and capture more microscopic particles than flat or fiberglass filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable frame:\u003c\/strong\u003e Beverage board frames with dual wire backing improve rigidity and resist damage from temperature changes during operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured domestically with industrial-grade, recyclable materials for consistent quality and supply chain transparency.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThese filters are best for homeowners, renters, and small business operators who need reliable allergy defense and better dust capture than basic fiberglass filters. They suit families with pets or anyone living in dusty environments who wants a low-maintenance solution that lasts up to roughly 90 days between changes.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include users who require hospital-grade filtration or HEPA-level capture, and installers who need nonstandard custom sizes - this pack is intended for standard 20x22x1 applications and won't replace high-efficiency standalone purifiers.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigher-efficiency \u003cstrong\u003eMERV 11\u003c\/strong\u003e media captures fine dust and pet allergens without heavy airflow restriction.\u003c\/li\u003e\n\u003cli\u003eElectrostatic pleats and 14 pleats per foot extend filter life compared with flat fiberglass designs.\u003c\/li\u003e\n\u003cli\u003eSturdy beverage board frame with dual wire backing holds shape and eases installation.\u003c\/li\u003e\n\u003cli\u003eMade in the USA using recyclable materials, providing consistent build quality.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eActual size is 19.50 in x 21.50 in x 0.75 in, and a few customers reported the fit can be slightly off in nonstandard or older filter slots.\u003c\/li\u003e\n\u003cli\u003eNot intended for environments that require HEPA-level filtration or specialized medical use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel size (nominal)\u003c\/td\u003e\n\u003ctd\u003e20x22x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual size\u003c\/td\u003e\n\u003ctd\u003e19.50 in x 21.50 in x 0.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration rating\u003c\/td\u003e\n\u003ctd\u003eMERV 11 (comparable to MPR 1200 \u0026amp; FPR 7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia type\u003c\/td\u003e\n\u003ctd\u003eElectrostatically charged synthetic pleated media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePleats\u003c\/td\u003e\n\u003ctd\u003e14 pleats per ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame construction\u003c\/td\u003e\n\u003ctd\u003eBeverage board with dual wire backing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of manufacture\u003c\/td\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Filterbuy 20x22x1 MERV 11 pack is a solid value for most homes and light commercial spaces that need improved allergen and pet dander control without harming system airflow. Durable frames and electrostatic pleated media deliver longer life and strong dust capture, making this a sensible replacement option for standard filter slots when better indoor air quality matters.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow often should these filters be replaced?\u003c\/strong\u003e\u003cbr\u003eReplace every 90 days for typical use; replace sooner in very dusty homes or with heavy pet hair.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill a MERV 11 filter restrict my HVAC airflow?\u003c\/strong\u003e\u003cbr\u003eMERV 11 offers higher capture efficiency but is designed to balance filtration and airflow for residential systems; monitor system performance and change filters on schedule.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo these come in the exact labeled size?\u003c\/strong\u003e\u003cbr\u003eThe filters are nominally 20x22x1 with an actual size of 19.50 in x 21.50 in x 0.75 in; check your filter slot if you have an older or nonstandard frame.\u003c\/p\u003e","brand":"Filterbuy","offers":[{"title":"Default Title","offer_id":48252550283483,"sku":"B01M59TKAM","price":115.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/814eYTDuNXL._AC_SL1500_efc005aa-4171-4fcd-a92a-aa8f04741b06.jpg?v=1778347323","url":"https:\/\/gearmusthave.com\/products\/20x22x1-air-filter-merv-11-superior-pet-allergy-defense","provider":"GearMustHave","version":"1.0","type":"link"}