{"product_id":"12x25x1-merv-11-air-filter-3-pack-pet-allergy-defense","title":"12x25x1 MERV 11 Air Filter 3-Pack - Pet \u0026 Allergy Defense","description":"\u003cp\u003eOur review of this 3-pack of 12x25x1 air filters finds them best suited for owners of furnaces, air conditioners, or heat pumps who want a step up in particle capture without sacrificing airflow. The filters deliver consistent MERV 11 performance in a common replacement size (actual size 11.75 in x 24.75 in x 0.75 in) and are built with electrostatically charged media and reinforced frames, so the biggest reason to buy is durable, longer-lasting filtration that improves indoor air quality for homes with pets or allergy sufferers.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal compatibility:\u003c\/strong\u003e Fits most residential HVAC furnace, air conditioner, and heat pump filter slots using the 12x25x1 nominal size so replacement is straightforward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 11 performance:\u003c\/strong\u003e Synthetic media captures a high percentage of dust and common allergens while remaining designed to avoid restricting normal airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic pleated media:\u003c\/strong\u003e Charged fibers with 14 pleats per ft trap more microscopic particles than basic fiberglass, extending useful life between changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Beverage board frames with dual wire backing give improved rigidity and temperature resistance over simple cardboard frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Built from industrial-grade, recyclable materials domestically for consistent manufacturing quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis 3-pack is ideal for households with pets or residents sensitive to dust and pollen who want better filtration than basic disposable fiberglass offers. It is also a practical choice for owners who prefer a longer service interval, since the electrostatic pleats are designed to last up to three times longer than fiberglass filters when changed on schedule.\u003c\/p\u003e\n\u003cp\u003eThose who require a very high-efficiency medical-grade filter or have unusual nonstandard filter slots should look elsewhere. Also measure your filter slot first, since some buyers reported the nominal size differs slightly from the actual dimensions provided.\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\u003eHigh particle capture from \u003cstrong\u003eMERV 11 synthetic media\u003c\/strong\u003e improves air quality around pets and allergens.\u003c\/li\u003e\n\u003cli\u003eLonger life than fiberglass due to electrostatic pleats and 14 pleats per ft.\u003c\/li\u003e\n\u003cli\u003eSturdy beverage board frame with dual wire backing adds durability and holds shape under temperature changes.\u003c\/li\u003e\n\u003cli\u003eProudly made in the USA from recyclable materials, supporting consistent quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers note the actual dimensions are slightly smaller than expected, so double-check your slot before ordering.\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\u003eFilterbuy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal size\u003c\/td\u003e\n\u003ctd\u003e12x25x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual size\u003c\/td\u003e\n\u003ctd\u003e11.75 in x 24.75 in x 0.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMERV 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\u003eFrame\u003c\/td\u003e\n\u003ctd\u003eBeverage board with dual wire backing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack count\u003c\/td\u003e\n\u003ctd\u003e3-Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor most homeowners with pets or allergy concerns, this 3-pack represents a solid mid-range upgrade: \u003cstrong\u003eMERV 11\u003c\/strong\u003e filtration captures more particulates than fiberglass while the reinforced frame and pleated electrostatic media extend life and maintain airflow. It is a good value for routine HVAC maintenance provided the actual dimensions match your filter slot.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should these filters be replaced?\u003c\/strong\u003e\u003cbr\u003eReplace every 90 days for typical use; households with heavy pet dander or high dust may need more frequent changes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill a MERV 11 filter restrict airflow?\u003c\/strong\u003e\u003cbr\u003eMERV 11 balances filtration and airflow; these synthetic pleated filters are designed to capture fine particles without significantly restricting normal residential HVAC airflow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these filters made in the United States?\u003c\/strong\u003e\u003cbr\u003eYes, they are manufactured 100% in the USA using industrial-grade, recyclable materials.\u003c\/p\u003e","brand":"Filterbuy","offers":[{"title":"Default Title","offer_id":48206009008347,"sku":"B09P1ZND8C","price":42.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/812O3SHpNhL._AC_SL1500_0d3882b3-d893-4c36-81b4-5eca94dc8aa1.jpg?v=1770308034","url":"https:\/\/gearmusthave.com\/products\/12x25x1-merv-11-air-filter-3-pack-pet-allergy-defense","provider":"GearMustHave","version":"1.0","type":"link"}