{"product_id":"filter-king-11-5x23-5x1-air-filter-4-pack-merv-8-home-hvac","title":"Filter King 11.5x23.5x1 Air Filter 4-Pack - MERV 8 Home HVAC","description":"\u003cp\u003eOur review of the Filter King 11.5x23.5x1 air filter 4-pack finds it best for homeowners and renters who want an affordable, reliable replacement filter for standard A\/C and furnace systems. The single biggest reason to consider this set is practical: it combines a MERV 8 pleated design with a four-pack supply and a made in USA claim, delivering measurable reductions in dust and allergens within days while remaining easy to install. For anyone replacing 1 inch filters on a routine schedule, this pack balances performance and value without complicated features.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 8 rating:\u003c\/strong\u003e Provides effective capture of common airborne particles like dust, pollen and pet dander while maintaining good airflow through home HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleated design:\u003c\/strong\u003e The pleats increase surface area to trap more particles and extend the usable life of each filter compared with flat media.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Fully manufactured in the United States with quality control and traceability via an EPA establishment number.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-pack supply:\u003c\/strong\u003e Includes four filters to cover routine changes for several months, making it convenient to maintain a regular replacement schedule.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation:\u003c\/strong\u003e Simple open, slide and close design that most homeowners can fit without tools or ductwork adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis filter set is ideal for typical single-family homes, apartments and landlords who use 1 in furnace or A\/C filter slots and want a straightforward replacement that improves indoor air quality. It suits households with seasonal allergies or pets where regular dust reduction matters but HEPA-level filtration is not required.\u003c\/p\u003e\u003cp\u003eThose who need higher filtration for medical concerns or commercial HVAC systems should look elsewhere for higher MERV ratings or thicker filters. Also measure your filter slot carefully: the nominal size here is 11.5 x 23.5 x 1 in while the actual media thickness is about 0.75 in, and some buyers noted mixed impressions of sturdiness.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood particle capture for everyday dust and allergens thanks to the \u003cstrong\u003eMERV 8\u003c\/strong\u003e pleated media.\u003c\/li\u003e\n\u003cli\u003eConvenient 4-pack provides multiple replacements so you can maintain a recommended change interval.\u003c\/li\u003e\n\u003cli\u003eMade in the USA with clear manufacturing identification for quality assurance.\u003c\/li\u003e\n\u003cli\u003eFast, tool-free installation that most users find simple and quick.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eActual thickness is roughly 0.75 in, which can cause confusion if an exact 1 in rigid fit is expected.\u003c\/li\u003e\n\u003cli\u003eSome customers report variable sturdiness of the frame and media compared with thicker premium filters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel type\u003c\/td\u003e\n\u003ctd\u003e4-pack pleated air filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal size\u003c\/td\u003e\n\u003ctd\u003e11.5 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\u003e11.5 x 23.5 x 0.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMERV rating\u003c\/td\u003e\n\u003ctd\u003eMERV 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMade in\u003c\/td\u003e\n\u003ctd\u003eUSA (EPA Establishment 103501-FL-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended change interval\u003c\/td\u003e\n\u003ctd\u003e30 - 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Filter King 11.5x23.5x1 4-pack is a practical, value-oriented choice for most homes needing routine filtration: it balances effective \u003cstrong\u003eMERV 8\u003c\/strong\u003e particle capture, a pleated design and a four-pack supply while being made in the USA. Buy this if you want affordable, easy-to-install replacements that improve air quality without impeding airflow; opt for thicker or higher-MERV filters only if you require enhanced medical-grade filtration or extra frame rigidity.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre these filters truly made in the USA?\u003c\/strong\u003e\u003cbr\u003eYes, the product is fully manufactured in the United States and lists an EPA establishment number for traceability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow often should I replace each filter?\u003c\/strong\u003e\u003cbr\u003eFilter King recommends changing 1 in filters every 30 to 90 days depending on use, with many users finding 60 to 90 days acceptable in low-dust settings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill MERV 8 affect my HVAC airflow?\u003c\/strong\u003e\u003cbr\u003eMERV 8 is designed to trap common particles while maintaining good airflow in residential systems, so most homeowners will not notice reduced performance.\u003c\/p\u003e","brand":"Filter King","offers":[{"title":"Default Title","offer_id":48650426220763,"sku":"B0BMGYM9FB","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71Q6uU3_KkL._AC_SL1500.jpg?v=1778655129","url":"https:\/\/gearmusthave.com\/products\/filter-king-11-5x23-5x1-air-filter-4-pack-merv-8-home-hvac","provider":"GearMustHave","version":"1.0","type":"link"}