{"product_id":"filter-king-13x25x1-air-filter-4-pack-merv-13-performance","title":"Filter King 13x25x1 Air Filter 4-Pack - MERV 13 Performance","description":"\u003cp\u003eIn this review the Filter King 13x25x1 4-pack is evaluated for homeowners and renters who need a higher-efficiency replacement for 1 in HVAC filters. The bottom line: it is a practical, economy-minded option that delivers improved particle capture thanks to its \u003cstrong\u003eMERV 13\u003c\/strong\u003e pleated design and American manufacturing, making it a good choice for people wanting better indoor air quality without a premium price. It performs noticeably within a few days and can last up to months with proper monitoring.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 13 rating:\u003c\/strong\u003e The higher-efficiency rating captures more airborne particles and helps improve indoor air quality compared with lower-MERV 1 in filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleated design:\u003c\/strong\u003e The pleats increase surface area to trap more dust and extend the filter lifetime between changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-pack convenience:\u003c\/strong\u003e Supplying four filters at once reduces the need for frequent reordering and supports routine 30 to 90 day replacement cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Fully manufactured in the United States under EPA establishment number 103501-FL-1, which may matter to buyers preferring domestic production.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast installation:\u003c\/strong\u003e The simple open, slide and close design makes replacement quick and straightforward for most residential HVAC systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis Filter King 4-pack is best for homeowners, renters, and small households who want better particle capture than basic fiberglass filters and who replace 1 in filters on a regular 30 to 90 day schedule. It suits systems where a true 13x25x1 nominal filter is used, and where buyers value a US-made product and straightforward installation.\u003c\/p\u003e\n\u003cp\u003eThose who need exact factory-size filters should double-check measurements before buying, since some customers report tight fits due to the actual measurements of 12.5 in x 24.5 in x 0.75 in. People requiring specialty sizes, washable filters, or a rigid frame for heavy-duty commercial HVAC should look elsewhere.\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 rating and pleated media.\u003c\/li\u003e\n\u003cli\u003eConvenient 4-pack reduces reordering and supports scheduled maintenance.\u003c\/li\u003e\n\u003cli\u003eMade in the USA with an EPA establishment number provided for sourcing transparency.\u003c\/li\u003e\n\u003cli\u003eEasy to install with a simple open, slide and close action.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eActual dimensions are 12.5 in x 24.5 in x 0.75 in, which some customers found smaller than expected and problematic for a snug fit.\u003c\/li\u003e\n\u003cli\u003eBuild quality impressions are mixed among users; some report sturdier construction than others.\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\u003e13 in x 25 in x 1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual Size\u003c\/td\u003e\n\u003ctd\u003e12.5 in x 24.5 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\u003eMade In\u003c\/td\u003e\n\u003ctd\u003eUnited States (EPA Establishment 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Filter King 13x25x1 4-pack is a solid value for households seeking improved filtration without a hefty cost. It combines \u003cstrong\u003eMERV 13\u003c\/strong\u003e performance, pleated media, and US manufacturing into an approachable package, but buyers should confirm the actual 12.5 in x 24.5 in x 0.75 in dimensions for a proper fit. Overall it is a practical choice for routine residential HVAC maintenance.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these filters actually MERV 13?\u003c\/strong\u003e\u003cbr\u003eYes, the product is rated MERV 13, which provides higher particle capture than lower-rated 1 in filters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the exact dimensions?\u003c\/strong\u003e\u003cbr\u003eThe listed nominal size is 13 in x 25 in x 1 in while the actual measured size is 12.5 in x 24.5 in x 0.75 in, so confirm fit before installing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should they be changed?\u003c\/strong\u003e\u003cbr\u003eManufacturer guidance suggests replacing 1 in filters every 30 to 90 days depending on use; Filter King notes filters can last up to 90 days under typical conditions.\u003c\/p\u003e","brand":"Filter King","offers":[{"title":"Default Title","offer_id":48652038144219,"sku":"B07JBMS9JB","price":47.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71yDm6CYgEL._AC_SL1500.jpg?v=1778612850","url":"https:\/\/gearmusthave.com\/products\/filter-king-13x25x1-air-filter-4-pack-merv-13-performance","provider":"GearMustHave","version":"1.0","type":"link"}