{"product_id":"filter-king-22x37x1-air-filter-4-pack-merv-13-performance","title":"Filter King 22x37x1 Air Filter 4-Pack - MERV 13 Performance","description":"\u003cp\u003eIn this review of the Filter King 22x37x1 Air Filter 4-pack the bottom line is simple: this is a value-oriented MERV 13 pleated filter set intended for homeowners who want stronger particle capture without compromising airflow. The reviewer found the set most useful for routine HVAC maintenance because the pleated design and MERV 13 rating capture more airborne particles and can improve perceived air quality within about 48 hours. Installation is straightforward and the filters are made in the USA, which will matter to buyers focused on domestic manufacturing.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 13 rating:\u003c\/strong\u003e Provides high-efficiency capture of fine particles for improved indoor air cleanliness compared with lower-MERV 1 in filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-pack convenience:\u003c\/strong\u003e Supplies multiple replacement filters so homeowners can change filters over several months without repeated orders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleated design:\u003c\/strong\u003e The pleats expand surface area to trap more particulates while helping maintain airflow and extending filter life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Fully manufactured domestically with an EPA establishment number noted, which supports quality control and traceability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 90 day life:\u003c\/strong\u003e Rated to last up to 90 days depending on conditions, offering a low-maintenance replacement cadence for many homes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis 22x37x1 Filter King 4-pack is aimed at homeowners and renters with compatible HVAC housings who want a higher-efficiency 1 in filter that balances filtration and airflow. It suits people with allergies or those wanting to reduce household dust and airborne particles without moving to thicker, specialty filters.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for systems that require exact factory-sized filters if a perfect fit is critical, or for buyers who need thicker filters for very heavy contamination or commercial HVAC systems. Measure your filter slot; the actual dimensions are slightly under nominal size.\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 particle capture for a 1 in filter thanks to the \u003cstrong\u003eMERV 13\u003c\/strong\u003e pleated media.\u003c\/li\u003e\n\u003cli\u003eMade in USA production provides manufacturing transparency and consistent materials.\u003c\/li\u003e\n\u003cli\u003eFour filters per pack deliver straightforward value and reduce reorder frequency.\u003c\/li\u003e\n\u003cli\u003eEasy to install with a simple open, slide and close replacement workflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eActual size is 21.5 in x 36.5 in x 0.75 in, which some users report as smaller than the nominal 22x37x1 and can affect fit in some frames.\u003c\/li\u003e\n\u003cli\u003eBuild quality reports are mixed, with some users finding materials less sturdy than expected for a MERV 13 product.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFilter King\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\u003ePack quantity\u003c\/td\u003e\n\u003ctd\u003e4 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMERV rating\u003c\/td\u003e\n\u003ctd\u003eMERV 13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing\u003c\/td\u003e\n\u003ctd\u003eMade in USA (EPA Establishment No. 103501-FL-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended replacement\u003c\/td\u003e\n\u003ctd\u003eEvery 30 - 90 days\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 practical choice for household HVAC maintenance when you want stronger filtration than basic fiberglass pads. Its \u003cstrong\u003eMERV 13\u003c\/strong\u003e media and pleated construction deliver measurable reduction in airborne particles and the four-pack format offers solid value. Be mindful of the actual dimensions when fitting into frames; if precise factory sizing is essential, verify fit before relying on this pack.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these filters truly MERV 13?\u003c\/strong\u003e\u003cbr\u003eYes, the product is specified as MERV 13 rated pleated filters for higher-efficiency particle capture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I change them?\u003c\/strong\u003e\u003cbr\u003eManufacturer guidance is every 30 to 90 days for 1 in filters; many users change every 60 to 90 days depending on dust and household conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill they fit my 22 x 37 slot?\u003c\/strong\u003e\u003cbr\u003eThe nominal size is 22 in x 37 in x 1 in, but actual size is 21.5 in x 36.5 in x 0.75 in, so confirm slot tolerances before purchase.\u003c\/p\u003e","brand":"Filter King","offers":[{"title":"Default Title","offer_id":48240762224859,"sku":"B07JCF1D2G","price":106.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71vHvj-lcIL._AC_SL1500.jpg?v=1770921012","url":"https:\/\/gearmusthave.com\/products\/filter-king-22x37x1-air-filter-4-pack-merv-13-performance","provider":"GearMustHave","version":"1.0","type":"link"}