{"product_id":"filterbuy-20x25x5-air-filter-merv-11-pet-allergy-defense","title":"Filterbuy 20x25x5 Air Filter MERV 11 - Pet \u0026 Allergy Defense","description":"\u003cp\u003eIn this review the Filterbuy 20x25x5 air filter is evaluated for homeowners who want stronger particle capture without choking HVAC airflow. The bottom line: this single-pack filter is aimed at people with pets or allergy concerns who need a replacement that fits standard return grilles and balances filtration with longevity. The reviewer found the MERV 11 media effective at removing dust and pet dander, and the durable beverage-board frame and dual wire backing give confidence for whole-house use.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 11 Performance:\u003c\/strong\u003e The synthetic media captures a large share of household dust and pet allergens while maintaining good airflow for most furnaces and air conditioners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActual Size:\u003c\/strong\u003e The stated actual dimensions of 18.38 in x 23.38 in x 3.69 in ensure the unit fits return grilles that require a nominal 20x25x5 replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic Pleated Media:\u003c\/strong\u003e Electrostatic charge and 8 pleats per ft trap more microscopic particles than fiberglass designs, extending useful life between changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Frame:\u003c\/strong\u003e Beverage-board recyclable frames with dual wire backing resist bending and temperature extremes better than simple cardboard frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e The filter is compatible with common Honeywell return grille part numbers, making it an easy replacement in many existing systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA Media:\u003c\/strong\u003e The media is manufactured in the USA and is designed to last roughly three times longer than fiberglass options when replaced every 90 days.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eHomeowners with pets, seasonal allergy sufferers, or anyone wanting improved indoor air quality will find this filter useful; the \u003cstrong\u003eMERV 11\u003c\/strong\u003e rating balances particle capture with acceptable airflow in most residential HVAC systems. It is also a fit for those who value a sturdier frame to avoid warping during installation and seasonal HVAC cycles.\u003c\/p\u003e\u003cp\u003ePeople operating older, low-capacity blowers or systems with manufacturer restrictions on filter pressure drop should check HVAC specifications before upgrading to MERV 11. Those looking for very high-efficiency medical-grade filtration should consider higher MERV-rated products designed for specialized applications.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood balance of filtration and airflow for general home use, capturing dust, pollen, and pet hair effectively.\u003c\/li\u003e\n\u003cli\u003eDurable beverage-board frame with dual wire backing improves longevity and resists damage during handling.\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged pleated media increases particle capture and extends service life compared with fiberglass filters.\u003c\/li\u003e\n\u003cli\u003eFits nominal 20x25x5 return grilles when using the actual dimensions provided.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot intended for environments that require hospital-grade filtration or where higher MERV ratings are mandated.\u003c\/li\u003e\n\u003cli\u003eSingle-pack sales mean you may need to purchase replacements more often if you prefer bulk buying convenience.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\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\u003e20x25x5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual Size\u003c\/td\u003e\n\u003ctd\u003e18.38 in x 23.38 in x 3.69 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\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\u003eRecyclable beverage-board with dual wire backing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Replacement\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Filterbuy 20x25x5 MERV 11 filter is a practical upgrade for pet owners and allergy-prone households that need reliable dust and dander capture without excessive airflow restriction. Its electrostatic pleated media and reinforced frame make it a solid value for whole-house replacement, though those needing medical-grade filtration should look elsewhere.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this filter fit a 20x25x5 slot?\u003c\/strong\u003e\u003cbr\u003eYes, the nominal size is 20x25x5 and the manufacturer lists the actual dimensions as 18.38 in x 23.38 in x 3.69 in to fit common return grilles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow often should this filter be replaced?\u003c\/strong\u003e\u003cbr\u003eReplace every 90 days under normal use; households with heavy pet dander or high dust loads may need to replace it more frequently.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes MERV 11 reduce pet allergens?\u003c\/strong\u003e\u003cbr\u003eYes, MERV 11 synthetic media captures many pet allergens and hair, making it a good choice for homes with dogs or cats.\u003c\/p\u003e","brand":"Filterbuy","offers":[{"title":"Default Title","offer_id":48684500353243,"sku":"B07S12BDLN","price":72.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/712QI8NM0ML._AC_SL1500.jpg?v=1778677187","url":"https:\/\/gearmusthave.com\/products\/filterbuy-20x25x5-air-filter-merv-11-pet-allergy-defense","provider":"GearMustHave","version":"1.0","type":"link"}