{"product_id":"filter-king-9x11x1-air-filter-4-pack-merv-8-pleated-filters","title":"Filter King 9x11x1 Air Filter 4-Pack - MERV 8 Pleated Filters","description":"\u003cp\u003eIn this review the Filter King 9x11x1 Air Filter 4-Pack is evaluated for small HVAC returns and compact A\/C units; the bottom line is simple: buyers who need an affordable, US-made pleated filter with reliable particle capture will appreciate this set. The single biggest reason to consider these filters is their \u003cstrong\u003eMERV 8\u003c\/strong\u003e rating combined with a pleated design that increases surface area and traps more dust and allergens without noticeably restricting airflow. The pack targets routine home maintenance and offers an economical replacement schedule.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 8 rating:\u003c\/strong\u003e Provides mid-level filtration that reduces common airborne particles while maintaining normal system airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleated construction:\u003c\/strong\u003e The pleats increase filter surface area so the filter captures more dust and lasts longer between changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-pack convenience:\u003c\/strong\u003e Includes four identical filters so replacements are on hand for routine 30 to 90 day maintenance cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Fully manufactured in the United States under EPA establishment number 103501-FL-1, indicating domestic production and consistent construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick installation:\u003c\/strong\u003e Simple open, slide and close design makes swapping filters fast and easy during seasonal maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Filter King 9x11x1 set is best for homeowners or renters with small HVAC return grilles, window A\/C units, or compact furnaces that accept a 1 in nominal filter. It suits people who want a balance of air quality improvement and low impact on system performance, and who prefer filters produced domestically.\u003c\/p\u003e\n\u003cp\u003eThose needing hospital-grade filtration, HEPA-level capture, or larger 1.5 in\/2 in depth filters for extended life should look elsewhere, as this product is a standard 1 in pleated filter with an actual thickness of 0.75 in and a MERV 8 performance target.\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\u003eEffective mid-level particle capture that can noticeably reduce dust and allergens.\u003c\/li\u003e\n\u003cli\u003ePack of four provides good value and convenient replacements for routine maintenance.\u003c\/li\u003e\n\u003cli\u003eMade in the USA with consistent materials and construction under a listed EPA establishment number.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eActual thickness is 0.75 in, which may cause a loose fit or fit disagreement in some grilles that expect a full 1 in board.\u003c\/li\u003e\n\u003cli\u003eSome users report varying impressions of sturdiness, so the frame may feel less rigid compared with heavier-duty filters.\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\u003eFilter King\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e4-pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Size\u003c\/td\u003e\n\u003ctd\u003e9 in x 11 in x 1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual Size\u003c\/td\u003e\n\u003ctd\u003e9 in x 11 in x 0.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Rating\u003c\/td\u003e\n\u003ctd\u003eMERV 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMade\u003c\/td\u003e\n\u003ctd\u003eMade in USA (EPA Establishment 103501-FL-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Replacement\u003c\/td\u003e\n\u003ctd\u003e30 - 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Filter King 9x11x1 4-pack is a sensible choice for routine home HVAC maintenance when a \u003cstrong\u003eMERV 8\u003c\/strong\u003e pleated filter is sufficient. It offers good particle capture, easy installation, and the convenience of multiple replacements in one purchase, making it a practical value for households that change filters seasonally or every few months.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these filters true to size?\u003c\/strong\u003e\u003cbr\u003eThey are sold as 9 in x 11 in x 1 in nominal but the actual thickness is 0.75 in, so check your grille fit before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I replace them?\u003c\/strong\u003e\u003cbr\u003eManufacturer guidance recommends changing 1 in filters every 30 to 90 days depending on usage and indoor conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill these restrict airflow?\u003c\/strong\u003e\u003cbr\u003eWith a MERV 8 rating and pleated design they are intended to trap particles without noticeably impacting airflow in residential systems.\u003c\/p\u003e","brand":"Filter King","offers":[{"title":"Default Title","offer_id":48246880698587,"sku":"B0CMS4BSVF","price":43.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71vzGImxg1L._AC_SL1500.jpg?v=1776282190","url":"https:\/\/gearmusthave.com\/products\/filter-king-9x11x1-air-filter-4-pack-merv-8-pleated-filters","provider":"GearMustHave","version":"1.0","type":"link"}