{"product_id":"aprilaire-401-replacement-furnace-filter-for-air-purifiers","title":"AprilAire 401 Replacement Furnace Filter 16x25x6 - MERV 10","description":"\u003cp\u003eOur review of the AprilAire 401 replacement furnace filter finds it best for homeowners who want a reliable, OEM-quality replacement for the AprilAire 2400 and Space-Gard 2400 whole-house purifiers. The single biggest reason to buy is straightforward: it is a genuine AprilAire part made in the USA designed to restore the original purifier performance and remove airborne particles with a \u003cstrong\u003eMERV 10\u003c\/strong\u003e rating, offering up to a year of service life so replacements are infrequent and maintenance is simple.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine OEM design:\u003c\/strong\u003e Manufactured in the USA to match the original AprilAire 2400 filter for consistent fit and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 10 particle capture:\u003c\/strong\u003e Removes dust, pollen, mold spores, bacteria, and pet dander as air passes through the filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong service life:\u003c\/strong\u003e Designed for up to 12 months of use, which reduces replacement frequency and routine maintenance time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHVAC protection:\u003c\/strong\u003e Helps prevent dust buildup in the furnace and ductwork, which can improve energy efficiency and equipment longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy replacement:\u003c\/strong\u003e Fits the nominal 16 x 25 x 6 in size system and installs without special tools, restoring purifier performance quickly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgradeable option:\u003c\/strong\u003e Users can consider the AprilAire 1413 upgrade kit to move to a higher-performance filter and new frame system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis filter is ideal for owners of AprilAire 2400 or Space-Gard 2400 whole-house purifiers and anyone who prefers an authentic replacement part made by the original manufacturer. It suits households with seasonal allergies, pets, or general dust concerns that want a balance of particle capture without greatly increasing airflow resistance.\u003c\/p\u003e\u003cp\u003eIt is not intended for systems that require higher-efficiency media than MERV 10 or for users who need more frequent filtration changes; those customers may prefer the AprilAire 1413 upgrade or other higher-MERV solutions. Also, if extreme pleat durability is a top concern, be aware that some users have experienced rip issues during installation.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOEM quality and exact fit for AprilAire 2400 purifiers, restoring original performance.\u003c\/li\u003e\n\u003cli\u003eEffective \u003cstrong\u003eMERV 10\u003c\/strong\u003e filtration captures common airborne particles like pollen and pet dander.\u003c\/li\u003e\n\u003cli\u003eUp to 12 months of life reduces replacement frequency and saves time.\u003c\/li\u003e\n\u003cli\u003eMade in the USA and designed to protect HVAC components and improve efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome customers report limited rip resistance in the pleats, which can complicate installation.\u003c\/li\u003e\n\u003cli\u003eNot the highest-efficiency option available; consider the 1413 upgrade for stronger filtration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eAprilAire 401 replacement furnace filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible models\u003c\/td\u003e\n\u003ctd\u003eAprilAire 2400, Space-Gard 2400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter efficiency\u003c\/td\u003e\n\u003ctd\u003eMERV 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal size\u003c\/td\u003e\n\u003ctd\u003e16 x 25 x 6 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpected life\u003c\/td\u003e\n\u003ctd\u003eUp to 12 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eManufactured in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe AprilAire 401 is a sensible, authentic replacement for AprilAire 2400 and Space-Gard 2400 owners who want reliable, year-long filtration without fuss. It offers good MERV 10 particle removal, protects HVAC equipment, and provides solid value for most households, though those seeking stronger filtration or exceptional pleat durability may want to evaluate the 1413 upgrade kit.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow often should this filter be replaced?\u003c\/strong\u003e\u003cbr\u003eReplace annually for optimal performance; the filter is rated for up to 12 months of service life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this filter fit my purifier?\u003c\/strong\u003e\u003cbr\u003eIt is designed for AprilAire 2400 and Space-Gard 2400 whole-house air purifiers and uses the nominal 16 x 25 x 6 in size standard.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this an OEM part?\u003c\/strong\u003e\u003cbr\u003eYes, it is a genuine AprilAire replacement filter manufactured in the USA to match original equipment.\u003c\/p\u003e","brand":"Aprilaire","offers":[{"title":"Default Title","offer_id":48751794946267,"sku":"B01N76LR88","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71u9ka4LEBL._AC_SL1500.jpg?v=1778838889","url":"https:\/\/gearmusthave.com\/products\/aprilaire-401-replacement-furnace-filter-for-air-purifiers","provider":"GearMustHave","version":"1.0","type":"link"}