{"product_id":"28x30x1-air-filter-merv-11-superior-pet-allergy-defense-3-pack","title":"28x30x1 Air Filter MERV 11 Superior Pet \u0026 Allergy Defense - 3-Pack","description":"\u003cp\u003eIn this review the Filterbuy 28x30x1 MERV 11 three-pack is evaluated for homes with pets, allergy sufferers, and anyone wanting longer-lasting filtration in a standard HVAC return. The bottom line: it is a practical, higher-performance replacement for basic fiberglass filters, offering \u003cstrong\u003eMERV 11 performance\u003c\/strong\u003e that removes fine dust and pet dander while maintaining airflow. Installation is straightforward and construction feels durable, so the set is best for people who value improved indoor air quality and lower replacement frequency.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal compatibility:\u003c\/strong\u003e Sized to fit 28x30x1 openings (actual 27.75 in x 29.75 in x 0.75 in), these filters work with most furnaces, air conditioners, and heat pumps to improve system efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 11 filtration:\u003c\/strong\u003e Synthetic media rated MERV 11 (comparable with MPR 1200 \u0026amp; FPR 7) captures up to 95% of common dust and pet allergens without significantly restricting airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic pleated media:\u003c\/strong\u003e Media with 14 pleats per ft is electrostatically charged to trap more microscopic particles and extend useful life compared with fiberglass pads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLonger service life:\u003c\/strong\u003e The filter media is designed to last about three times longer than fiberglass models, with the recommendation to replace every 90 days for best results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved frame construction:\u003c\/strong\u003e Beverage board frames with dual wire backing resist temperature changes and handle installation better than basic cardboard frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Built from industrial-grade recyclable materials and manufactured in the United States for local quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis pack is ideal for families with pets, allergy sufferers, or anyone looking to reduce dust and airborne allergens while keeping HVAC airflow steady. Users who want a mid-range upgrade from fiberglass filters will appreciate the \u003cstrong\u003eMERV 11\u003c\/strong\u003e balance of capture efficiency and system compatibility.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for systems with nonstandard filter slots that require exact factory tolerances, or for users who need very high-efficiency hospital-grade filtration. Also check actual slot dimensions before purchase since some customers noted the actual size measures slightly under nominal.\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 capture efficiency for pet dander and dust without excessive airflow restriction.\u003c\/li\u003e\n\u003cli\u003eDurable beverage board frame with dual wire backing resists sagging and temperature extremes.\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged pleats last longer than fiberglass, reducing replacement frequency.\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 slightly smaller than the nominal size for some installations, so verify fit before relying on exact measurements.\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\u003e28x30x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual size\u003c\/td\u003e\n\u003ctd\u003e27.75 in x 29.75 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\u003ePleats\u003c\/td\u003e\n\u003ctd\u003e14 pleats per ft, electrostatically charged media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack quantity\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\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Filterbuy 28x30x1 MERV 11 three-pack is a solid mid-range choice for homeowners who want improved \u003cstrong\u003eair quality\u003c\/strong\u003e and longer filter life without the drawbacks of heavy-flow restriction. Its sturdy frame and electrostatic pleats make it good value for families with pets and allergy concerns, provided the slightly smaller actual dimensions fit the HVAC 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 homes; replace more frequently in high-dust or heavy-pet households.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill MERV 11 restrict my HVAC airflow?\u003c\/strong\u003e\u003cbr\u003eMERV 11 offers higher capture efficiency but is designed to maintain acceptable airflow for most residential systems; confirm compatibility with your HVAC manufacturer if in doubt.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these filters fit every 28x30x1 slot?\u003c\/strong\u003e\u003cbr\u003eThe nominal size is 28x30x1 but the actual size is 27.75 in x 29.75 in x 0.75 in, so verify your return slot fits slightly smaller actual dimensions.\u003c\/p\u003e","brand":"Filterbuy","offers":[{"title":"Default Title","offer_id":48185439879387,"sku":"B09B48MJJV","price":86.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81geZ_wMD4L._AC_SL1500_11188bfe-274a-4e96-81ec-a8d011f34857.jpg?v=1769445804","url":"https:\/\/gearmusthave.com\/products\/28x30x1-air-filter-merv-11-superior-pet-allergy-defense-3-pack","provider":"GearMustHave","version":"1.0","type":"link"}