{"product_id":"filter-king-13-25x13-25x1-air-filter-6-pack-merv-11-performance","title":"Filter King 13.25x13.25x1 Air Filter 6-Pack - MERV 11 Performance","description":"\u003cp\u003eOur review of the Filter King 13.25x13.25x1 Air Filter 6-pack finds it best for homeowners who want a higher-efficiency, easy-to-install replacement for standard 1 in HVAC slots. The single biggest reason to buy is the \u003cstrong\u003eMERV 11\u003c\/strong\u003e filtration, which captures more airborne particles than basic filters while maintaining airflow; in our experience many users notice improved air quality within a few days. The pack is fully manufactured in the United States and offers predictable replacement intervals for routine maintenance.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 11 filtration:\u003c\/strong\u003e Captures smaller particles like pollen and pet dander for cleaner indoor air without noticeably restricting airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6-pack supply:\u003c\/strong\u003e Provides several months of replacements so users can follow a 30-90 day change schedule without frequent reordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleated design:\u003c\/strong\u003e Increases surface area to trap more contaminants and extend the functional life of each filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Fully manufactured domestically, indicating consistent quality control and materials traceability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast installation:\u003c\/strong\u003e Simple open, slide and close installation makes swaps quick and tool-free for most homeowners.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis Filter King 6-pack suits homeowners with 1 in filter slots who want better particle capture than standard fiberglass filters; allergy sufferers, pet owners, and those aiming to protect HVAC components will benefit from the \u003cstrong\u003eMERV 11\u003c\/strong\u003e rating. It is also convenient for users who prefer buying multiple replacements at once to stay on a regular maintenance schedule.\u003c\/p\u003e\n\u003cp\u003eThose who need thicker filters for heavy industrial dust or specialized filtration should look elsewhere, as these are nominally 1 in filters with an actual thickness of 0.75 in and are intended for typical residential A\/C and furnace applications. Customers requiring rigid, heavy-duty frames or custom sizes may prefer alternative products.\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\u003eHigher-efficiency \u003cstrong\u003eMERV 11\u003c\/strong\u003e media traps more airborne particles than basic filters.\u003c\/li\u003e\n\u003cli\u003eSix filters per pack reduce the need for frequent purchases and support scheduled maintenance.\u003c\/li\u003e\n\u003cli\u003eMade in the USA with consistent construction and clear EPA establishment information.\u003c\/li\u003e\n\u003cli\u003ePleated design balances capture capacity with airflow so HVAC systems run normally.\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 while labeled as 1 in, which caused mixed customer feedback about size fit in some frames.\u003c\/li\u003e\n\u003cli\u003eSome users reported mixed impressions of build quality, with a few calling the filter less robust than expected.\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\u003eRated Size\u003c\/td\u003e\n\u003ctd\u003e13.25 in x 13.25 in x 1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual Size\u003c\/td\u003e\n\u003ctd\u003e13.25 in x 13.25 in x 0.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e6 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMERV Rating\u003c\/td\u003e\n\u003ctd\u003eMERV 11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMade\u003c\/td\u003e\n\u003ctd\u003eMade in USA (EPA Establishment Number 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 for 1 in filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Filter King 13.25x13.25x1 6-pack is a sensible choice for residential users who want improved indoor air quality and straightforward replacements. Its \u003cstrong\u003eMERV 11\u003c\/strong\u003e media and pleated design deliver better particle capture while preserving airflow, and the six-pack format offers good value for routine maintenance. Buyers should confirm their filter slot accepts the 0.75 in actual thickness before purchasing.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs the labeled size the same as the actual size?\u003c\/strong\u003e\u003cbr\u003eThese are sold as 13.25 in x 13.25 in x 1 in but the actual thickness is 0.75 in, so check your filter slot for a snug fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should these filters be changed?\u003c\/strong\u003e\u003cbr\u003eFilter King recommends replacing 1 in filters every 30-90 days; many users follow a 60-90 day cadence depending on household conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill MERV 11 reduce HVAC airflow?\u003c\/strong\u003e\u003cbr\u003eMERV 11 media is designed to trap finer particles while maintaining airflow in typical residential systems, but always monitor system performance after installation.\u003c\/p\u003e","brand":"Filter King","offers":[{"title":"Default Title","offer_id":48622234337499,"sku":"B07JB44JS1","price":90.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71Diu_hGBQL._AC_SL1342_30f16519-029e-478c-91ec-ceae6312b56b.jpg?v=1778444093","url":"https:\/\/gearmusthave.com\/products\/filter-king-13-25x13-25x1-air-filter-6-pack-merv-11-performance","provider":"GearMustHave","version":"1.0","type":"link"}