{"product_id":"filter-king-25x28x1-air-filter-4-pack-merv-13-performance","title":"Filter King 25x28x1 Air Filter 4-Pack - MERV 13 Performance","description":"\u003cp\u003eIn this review the Filter King 25x28x1 4-pack is assessed for homeowners and renters who want higher filtration without complicated installation. The bottom line: these pleated \u003cstrong\u003eMERV 13\u003c\/strong\u003e 1-in filters are best for those seeking improved particle capture and a snug fit in standard furnace and A\/C housings, with the greatest single benefit being stronger filtration over basic fiberglass panels while still allowing straightforward \u003cstrong\u003efast installation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 13 rating:\u003c\/strong\u003e Captures a wide range of airborne particles, offering better indoor air quality compared with lower-MERV disposable filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleated design:\u003c\/strong\u003e The pleats increase surface area so the filter traps more contaminants and extends usable life between changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Fully manufactured in the United States using materials and construction that reference EPA establishment 103501-FL-1.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActual sizing listed:\u003c\/strong\u003e Advertised as 25 x 28 x 1 in with an actual measured size of 24.5 x 27.5 x 0.75 in to help users measure and confirm fit before purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 90 days life:\u003c\/strong\u003e Designed to last up to 90 days depending on household conditions, with a recommended change interval of 30 to 90 days for 1-in filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-free replacement:\u003c\/strong\u003e Simple open, slide and close replacement makes swaps quick and reduces service time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis pack is aimed at homeowners or renters with forced-air heating and cooling who want higher-efficiency filtration without altering their HVAC system. It is especially useful for households concerned about allergens or fine particles who can benefit from a \u003cstrong\u003eMERV 13\u003c\/strong\u003e rated media.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include owners of systems that require exact factory-specified thickness or custom sizes, and people who need thicker filters or washable\/reusable media; the actual dimensions are slightly under the nominal size so careful measurement is advised before ordering.\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\u003eHigher filtration efficiency with MERV 13 media for improved indoor air quality.\u003c\/li\u003e\n\u003cli\u003ePleated construction captures more particles and can extend time between changes.\u003c\/li\u003e\n\u003cli\u003eMade in the USA and fully manufactured under EPA establishment 103501-FL-1.\u003c\/li\u003e\n\u003cli\u003eQuick, tool-free installation makes replacement fast and easy.\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 24.5 x 27.5 x 0.75 in, which some customers found smaller than expected and requires pre-measurement.\u003c\/li\u003e\n\u003cli\u003eMixed feedback on build quality means a few users reported weaker construction compared with heavier-duty brands.\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\u003e25 x 28 x 1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual size\u003c\/td\u003e\n\u003ctd\u003e24.5 x 27.5 x 0.75 in\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\u003ePack quantity\u003c\/td\u003e\n\u003ctd\u003e4-pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended change interval\u003c\/td\u003e\n\u003ctd\u003e30 - 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufactured\u003c\/td\u003e\n\u003ctd\u003eMade in USA (EPA establishment 103501-FL-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Filter King 25x28x1 4-pack is a practical choice for users seeking better filtration without complex changes to their HVAC. It delivers \u003cstrong\u003eMERV 13\u003c\/strong\u003e performance, easy installation and a pleated design that improves capture and life span, though buyers should measure for fit because the actual dimensions are slightly smaller than the nominal size.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these filters fit my 25 x 28 x 1 slot?\u003c\/strong\u003e\u003cbr\u003eThey are sold as 25 x 28 x 1 in but measure 24.5 x 27.5 x 0.75 in actual size, so verify your slot tolerances before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I replace them?\u003c\/strong\u003e\u003cbr\u003eFilter King recommends changing these 1-in pleated filters every 30 to 90 days depending on use and air quality; they can last up to 90 days in low-load settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these washable or reusable?\u003c\/strong\u003e\u003cbr\u003eNo; these are disposable pleated MERV 13 filters intended for replacement, not washing or reuse.\u003c\/p\u003e","brand":"Filter King","offers":[{"title":"Default Title","offer_id":48752374972635,"sku":"B0CZM7C7X1","price":82.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71LQ6n61z7L._AC_SL1500.jpg?v=1778885448","url":"https:\/\/gearmusthave.com\/products\/filter-king-25x28x1-air-filter-4-pack-merv-13-performance","provider":"GearMustHave","version":"1.0","type":"link"}