{"product_id":"17x20x1-merv-11-air-filter-3-pack-pet-allergy-defense","title":"17x20x1 MERV 11 Air Filter 3-Pack - Pet \u0026 Allergy Defense","description":"\u003cp\u003eOur review of this 3-pack of 17x20x1 MERV 11 air filters finds them best suited for homeowners or small businesses looking to reduce allergens and pet dander without sacrificing airflow. The bottom line: these filters use \u003cstrong\u003eMERV 11 performance\u003c\/strong\u003e synthetic media to capture fine dust and many airborne irritants while the electrostatic charge and 14 pleats per ft increase particle capture and longevity compared with basic fiberglass options. Installation is straightforward and the build quality feels durable, making them a practical choice for routine HVAC maintenance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal compatibility:\u003c\/strong\u003e Sized for common furnace, air conditioner, and heat pump slots, the filters (actual size 16.50 in x 19.50 in x 0.75 in) fit most 17x20x1 housings to simplify replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 11 filtration:\u003c\/strong\u003e The synthetic media captures up to 95% of dust and common allergens, helping reduce pet dander and airborne particles without overly restricting system airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic pleated media:\u003c\/strong\u003e Electrostatic charge and 14 pleats per ft trap more microscopic particles and extend useful life compared with plain fiberglass filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable frame:\u003c\/strong\u003e Beverage board frames with dual wire backing resist warping and extreme temperatures better than basic cardboard, improving longevity in the filter slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Constructed from industrial-grade recyclable materials and manufactured domestically for consistent quality and supply confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis 3-pack is ideal for households with pets or allergy sufferers who want improved indoor air quality and fewer airborne irritants without switching to a high-resistance filter. HVAC users who prefer a balance between filtration efficiency and system airflow will appreciate the MERV 11 rating and pleated electrostatic media.\u003c\/p\u003e\u003cp\u003eThose with specialized filtration needs, such as medical cleanrooms or homes requiring HEPA-level capture, should look elsewhere; similarly, if an exact nominal size is required, confirm appliance slot dimensions because the actual filter measures 16.50 in x 19.50 in x 0.75 in and some customers have noted size expectations can differ.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh quality construction with dual wire backing and sturdy beverage board frames.\u003c\/li\u003e\n\u003cli\u003eEffective \u003cstrong\u003eair quality\u003c\/strong\u003e improvements for dust, pet dander, and common allergens thanks to MERV 11 media.\u003c\/li\u003e\n\u003cli\u003eElectrostatic pleats last longer than fiberglass and reduce replacement frequency when used as recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eActual dimensions are slightly smaller than nominal 17x20x1, so confirm fit before purchase.\u003c\/li\u003e\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\u003e17x20x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual size\u003c\/td\u003e\n\u003ctd\u003e16.50 in x 19.50 in x 0.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter media\u003c\/td\u003e\n\u003ctd\u003eMERV 11 synthetic electrostatic pleated media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePleats\u003c\/td\u003e\n\u003ctd\u003e14 pleats per ft\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\u003ctr\u003e\n\u003ctd\u003eCountry of manufacture\u003c\/td\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eFor most homeowners with pets or seasonal allergies, this 3-pack of MERV 11 pleated filters offers a solid balance of filtration and airflow, backed by durable construction and domestic manufacturing. They deliver noticeable reductions in dust and dander and represent good value when replaced every 90 days as recommended.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill these filters fit a standard 17x20x1 slot?\u003c\/strong\u003e\u003cbr\u003eThey are sold as 17x20x1 replacements but the actual dimensions are 16.50 in x 19.50 in x 0.75 in, so measure the filter slot to ensure a proper fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow often should these be replaced?\u003c\/strong\u003e\u003cbr\u003eWith typical household use replace approximately every 90 days; households with heavy pet dander or high allergen loads may need to change them more frequently.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo these restrict airflow?\u003c\/strong\u003e\u003cbr\u003eThe MERV 11 media is designed to capture fine particles while maintaining airflow; it is comparable to MPR 1200 and FPR 7 and should not unduly restrict most residential HVAC systems.\u003c\/p\u003e","brand":"Filterbuy","offers":[{"title":"Default Title","offer_id":48655402729691,"sku":"B09B48D34K","price":51.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81geZ_wMD4L._AC_SL1500_4848ceaf-d859-4d92-8743-2cfbbe165953.jpg?v=1778593328","url":"https:\/\/gearmusthave.com\/products\/17x20x1-merv-11-air-filter-3-pack-pet-allergy-defense","provider":"GearMustHave","version":"1.0","type":"link"}