{"product_id":"filterbuy-17-5x23-5x1-merv-11-air-filter-6-pack-pet-allergy","title":"Filterbuy 17.5x23.5x1 MERV 11 Air Filter 6-Pack - Pet \u0026 Allergy","description":"\u003cp\u003eIn this review the Filterbuy 17.5x23.5x1 MERV 11 air filter 6-pack is evaluated for homeowners and small businesses seeking better indoor air without sacrificing airflow. The bottom line: this set is best for people who want a clear upgrade over thin fiberglass filters because the \u003cstrong\u003eMERV 11 performance\u003c\/strong\u003e traps fine dust, pet dander and common allergens while keeping systems running efficiently. It is a practical, made-in-USA replacement that balances filtration and airflow for routine HVAC maintenance.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal compatibility:\u003c\/strong\u003e Sized to fit 17.5x23.5x1 filter slots (actual 17.38 in x 23.38 in x 0.75 in), these filters work with furnaces, air conditioners and heat pumps to simplify replacements.\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, offering stronger protection than basic fiberglass options without noticeably restricting airflow for most systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic pleated media:\u003c\/strong\u003e Electrostatic charge and 14 pleats per ft increase particle capture and extend useful life compared with single-layer fiberglass models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable frame:\u003c\/strong\u003e Beverage board frames with dual wire backing resist heat and moisture better than plain cardboard, making installation easier and the filter more robust in varied conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Constructed from industrial-grade recyclable materials and manufactured in the United States for consistent build quality and traceability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is aimed at homeowners, renters, and small business operators who want improved indoor air quality for allergy or pet-hair concerns and who currently use inexpensive fiberglass filters. The 6-pack gives several quarterly changes per unit, so it suits routine maintenance schedules.\u003c\/p\u003e\n\u003cp\u003eThose with extremely tight duct systems or specialized medical needs requiring HEPA-level filtration should look elsewhere; similarly, people who need non-standard thicknesses or custom sizes will need a different product. For most residential HVAC systems that accept 1 in filters, this is a straightforward upgrade.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood balance of filtration and airflow thanks to \u003cstrong\u003eMERV 11 media\u003c\/strong\u003e and electrostatic pleats.\u003c\/li\u003e\n\u003cli\u003eDurable beverage board frame with dual wire backing improves longevity and fit.\u003c\/li\u003e\n\u003cli\u003eMade in USA construction with recyclable materials gives consistent quality and supply origin.\u003c\/li\u003e\n\u003cli\u003e6-pack provides value and reduces trips to replace single filters frequently.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report reduced airflow in very restrictive systems, so check compatibility with older or low-pressure HVAC units.\u003c\/li\u003e\n\u003cli\u003eIntended replacement interval is every 90 days; high-dust or heavy-pet homes may need more frequent changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003ePack size\u003c\/td\u003e\n\u003ctd\u003e6-Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal size\u003c\/td\u003e\n\u003ctd\u003e17.5 x 23.5 x 1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual size\u003c\/td\u003e\n\u003ctd\u003e17.38 x 23.38 x 0.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter 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\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Filterbuy 17.5x23.5x1 MERV 11 6-pack is a sensible, cost-effective upgrade for most homes and small businesses that need better capture of dust, pet dander and allergens without a big hit to airflow. Built-in durability and US manufacturing make it a good value for routine HVAC maintenance, though very restrictive systems should verify compatibility before switching.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I replace these filters?\u003c\/strong\u003e\u003cbr\u003eReplace every 90 days for typical use; homes with heavy pets or dust may need changes more frequently.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill MERV 11 restrict my airflow?\u003c\/strong\u003e\u003cbr\u003eMost systems will not experience problematic airflow reduction, but older or very tight duct systems should confirm suitability before prolonged use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these filters recyclable?\u003c\/strong\u003e\u003cbr\u003eThe filters use recyclable materials for the frame and are built with industrial-grade components, but local recycling acceptance may vary.\u003c\/p\u003e","brand":"Filterbuy","offers":[{"title":"Default Title","offer_id":48613815255259,"sku":"B095595S7Q","price":49.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81zja5qcKcL._AC_SL1500_8b821441-51ce-47af-b7a1-57ec5d75535c.jpg?v=1778397680","url":"https:\/\/gearmusthave.com\/products\/filterbuy-17-5x23-5x1-merv-11-air-filter-6-pack-pet-allergy","provider":"GearMustHave","version":"1.0","type":"link"}