{"product_id":"filter-king-39-5x29-5x1-air-filter-4-pack-merv-8-pleated-filters","title":"Filter King 39.5x29.5x1 Air Filter 4-Pack - MERV 8 Pleated Filters","description":"\u003cp\u003eIn this review the Filter King 39.5x29.5x1 air filter 4-pack is evaluated for homeowners and maintenance pros who need a reliable, easy-to-install 1 in replacement. The bottom line is simple: these pleated filters provide a noticeable improvement in indoor air quality within days while offering a predictable service interval up to 90 days. The reviewer found the construction consistent with a US-made product and appreciated that the \u003cstrong\u003eMERV 8\u003c\/strong\u003e rating balances particle capture with preserved airflow.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eMERV 8 filtration:\u003c\/strong\u003e Captures a broad range of common airborne particles without creating excessive resistance that can strain A\/C and furnace systems.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePleated design:\u003c\/strong\u003e Increases filter surface area so it traps more dust and debris and extends the effective life between changes.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Fully manufactured domestically, which the reviewer found reassuring for consistent material and build quality.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eActual compact size:\u003c\/strong\u003e Listed as 39.5 in x 29.5 in x 1 in with an actual thickness of 0.75 in, making it an accurate fit for applications that accept slightly undersized 1 in filters.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e4-pack value:\u003c\/strong\u003e Supplies multiple change cycles up front so homeowners can maintain a regular 30-90 day replacement schedule without repeated purchases.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast installation:\u003c\/strong\u003e Simple open, slide and close replacement makes swapping filters quick for routine maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis 4-pack is well suited for homeowners with standard 1 in HVAC filter slots who want a practical balance of filtration and airflow control. It is a good choice for everyday indoor air quality concerns like dust, pollen and pet dander where \u003cstrong\u003eMERV 8\u003c\/strong\u003e performance is appropriate and system strain must be minimized.\u003c\/p\u003e\n\u003cp\u003eThose who need hospital-grade filtration or capture of ultrafine particles should look for higher MERV or true HEPA solutions elsewhere. Also check slot depth if your system requires a full 1 in thickness, since the actual filter depth is 0.75 in.\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\u003eConsistent \u003cstrong\u003eMERV 8\u003c\/strong\u003e performance that captures common pollutants without noticeable impact on airflow.\u003c\/li\u003e\n \u003cli\u003ePleated media traps more particles and helps extend the interval between changes.\u003c\/li\u003e\n \u003cli\u003eMade in the USA with clear manufacturing provenance and quality control references.\u003c\/li\u003e\n \u003cli\u003eConvenient 4-pack reduces purchase frequency and supports scheduled maintenance.\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 rather than a full 1 in, so verify compatibility with tight filter slots.\u003c\/li\u003e\n \u003cli\u003eNot intended for environments that require very high MERV ratings or medical-grade filtration.\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\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\u003eRated Size\u003c\/td\u003e\n\u003ctd\u003e39.5 in x 29.5 in x 1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eActual Size\u003c\/td\u003e\n\u003ctd\u003e39.5 in x 29.5 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 8\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMade In\u003c\/td\u003e\n\u003ctd\u003eUSA (EPA Est. 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\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Filter King 39.5x29.5x1 4-pack is a solid, value-minded choice for homeowners seeking dependable \u003cstrong\u003eMERV 8\u003c\/strong\u003e filtration and easy installation. Its pleated media and US manufacture make it a practical pick for routine HVAC maintenance, provided the slightly reduced actual thickness fits the system. For general dust, pollen and pet dander control it offers good performance for the price.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should these filters be changed?\u003c\/strong\u003e\u003cbr\u003eThey recommend changing every 30-90 days for 1 in filters; actual timing depends on use and household conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill these restrict airflow in my HVAC system?\u003c\/strong\u003e\u003cbr\u003eThe MERV 8 rating is designed to balance particle capture and airflow so most systems will not experience notable restriction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these filters actually made in the United States?\u003c\/strong\u003e\u003cbr\u003eYes, the product is fully manufactured in the USA and lists an EPA establishment number for traceability.\u003c\/p\u003e","brand":"Filter King","offers":[{"title":"Default Title","offer_id":48252443132123,"sku":"B0CPT9D5TT","price":129.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71hnTTj_LeL._AC_SL1500.jpg?v=1778281289","url":"https:\/\/gearmusthave.com\/products\/filter-king-39-5x29-5x1-air-filter-4-pack-merv-8-pleated-filters","provider":"GearMustHave","version":"1.0","type":"link"}