{"product_id":"filter-king-22x37x1-air-filter-4-pack-merv-8-home-hvac-filters","title":"Filter King 22x37x1 Air Filter 4-Pack - MERV 8 Home HVAC Filters","description":"\u003cp\u003eIn this review the Filter King 22x37x1 Air Filter 4-pack is evaluated for homeowners and renters who want a straightforward, cost-effective way to improve indoor air quality. The biggest reason to buy is simple: these are MERV 8 pleated filters that balance particle capture with minimal airflow restriction, and they are fully manufactured in the USA, which matters to buyers who prefer domestic production and consistent construction. The pack offers a practical replacement cycle and easy installation for standard 1 in filter slots.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 8 rating:\u003c\/strong\u003e Captures a wide range of common airborne particles while maintaining adequate airflow for most residential A\/C and furnace systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleated design:\u003c\/strong\u003e The pleats increase surface area so the filter traps more dust and extends time between changes compared with flat filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Fully manufactured in the United States under EPA establishment 103501-FL-1 for consistent materials and construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-pack convenience:\u003c\/strong\u003e Four filters provided per purchase for scheduled replacement over several months without repeated ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 90 days life:\u003c\/strong\u003e Rated to last as long as 90 days depending on home conditions, with a typical recommended change window of 30 to 90 days to protect HVAC longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation:\u003c\/strong\u003e Open, slide and close installation makes replacements quick and tool-free for most household systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product suits homeowners and renters with standard 1 in filter slots who want a balance of filtration and airflow without moving to higher-resistance, higher-cost media. It is useful for those managing dust, pet dander and average indoor pollutants and who prefer filters made in the United States.\u003c\/p\u003e\n\u003cp\u003eIt is not aimed at households needing HEPA-level filtration for severe allergy or immunocompromised situations, and buyers requiring nonstandard sizes or thicker filters should look for alternatives designed for those specific needs.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood balance of particle capture and airflow thanks to the \u003cstrong\u003eMERV 8\u003c\/strong\u003e pleated media.\u003c\/li\u003e\n\u003cli\u003eMade in the USA, which supports consistent build quality and manufacturing traceability.\u003c\/li\u003e\n\u003cli\u003eConvenient 4-pack and simple installation reduce the hassle of regular replacement.\u003c\/li\u003e\n\u003cli\u003eCan last up to 90 days depending on conditions, offering value for money when rotated as recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSize tolerance has mixed feedback, so buyers should confirm actual dimensions (21.5 in x 36.5 in x 0.75 in) before purchasing to ensure a proper fit.\u003c\/li\u003e\n\u003cli\u003eNot suitable for users who require HEPA-level filtration or thicker filters for heavy particulate environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePleated 1 in HVAC filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated MERV\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e22 in x 37 in x 1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual Size\u003c\/td\u003e\n\u003ctd\u003e21.5 in x 36.5 in x 0.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Manufacture\u003c\/td\u003e\n\u003ctd\u003eUnited States (EPA 103501-FL-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Replacement\u003c\/td\u003e\n\u003ctd\u003eEvery 30 to 90 days depending on use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Filter King 22x37x1 4-pack is a sensible choice for most households seeking reliable MERV 8 filtration with simple installation and domestic manufacture. It provides good value through a 4-pack and up to 90 days of life in normal conditions, making it a practical option for routine HVAC maintenance when HEPA-level filtration is not required.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the actual dimensions?\u003c\/strong\u003e\u003cbr\u003eThe listed actual dimensions are 21.5 in x 36.5 in x 0.75 in, which should be checked against the unit slot before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should these filters be replaced?\u003c\/strong\u003e\u003cbr\u003eReplace every 30 to 90 days depending on dust load, pet presence and HVAC usage; the manufacturer rates them up to 90 days under lighter conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill these restrict airflow?\u003c\/strong\u003e\u003cbr\u003eWith a MERV 8 rating the pleated media is designed to trap particles without significantly impacting normal residential airflow, but higher MERV levels could increase resistance.\u003c\/p\u003e","brand":"Filter King","offers":[{"title":"Default Title","offer_id":48611496394971,"sku":"B07FR2Q1DB","price":88.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71mVCSI6_hL._AC_SL1500.jpg?v=1778503364","url":"https:\/\/gearmusthave.com\/products\/filter-king-22x37x1-air-filter-4-pack-merv-8-home-hvac-filters","provider":"GearMustHave","version":"1.0","type":"link"}