{"product_id":"bnx-trufilter-20x22x1-merv-13-air-filter-4-pack-electrostatic","title":"BNX TruFilter 20x22x1 MERV 13 Air Filter 4-Pack - Electrostatic","description":"\u003cp\u003eOur review of the BNX TruFilter 20x22x1 MERV 13 (4-Pack) finds it best suited for homeowners who want noticeably cleaner indoor air without sacrificing airflow. The single biggest reason to buy is the filter media: an electrostatically charged, MERV 13-rated pleat that captures microscopic particles while maintaining low resistance, so furnaces and HVAC systems do not work harder. Installation is straightforward and the sustainable, double-sided cardboard frame adds practical rigidity, making this a solid replacement option for allergy-prone households and those with pets.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 13 electrostatic media:\u003c\/strong\u003e Captures a high percentage of microscopic particles such as pollen, mold, bacteria and smoke while preserving airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActual size accuracy:\u003c\/strong\u003e Sells as 20x22x1 with an actual size of 19 11\/16 x 21 11\/16 x 3\/4, so it fits common HVAC and furnace slots without modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow air flow resistance:\u003c\/strong\u003e Designed to meet ASHRAE 52.2-2017 initial efficiency\/resistance guidelines so heating and cooling systems maintain performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustainable frame:\u003c\/strong\u003e Double-sided two-piece cardboard frame made from recycled material adds rigidity and reduces waste compared with flimsy single-piece frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Manufactured in Houston, TX at a registered facility, offering traceable domestic production and compliance with UL 900 classification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComparable ratings:\u003c\/strong\u003e Works as a comparable option to MPR 1500-1900 and FPR 10 filters for those tracking filter rating systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis filter is ideal for homeowners with allergies, pets, or routine exposure to pollen and smoke who need a step up from basic fiberglass filters. It suits standard residential HVAC and furnace systems that accept 20x22x1 filters and where maintaining airflow is important.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for systems requiring thicker or specialty HEPA-style cartridges, or for users who need official medical-grade filtration for clinical settings. Buyers wanting a filter thinner or thicker than 1 in should look for alternate sizes.\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\u003eHigh-efficiency electrostatic media captures very small particles including pollen, dust mites and some bacteria.\u003c\/li\u003e\n\u003cli\u003eLow resistance design preserves HVAC performance while improving indoor air quality.\u003c\/li\u003e\n\u003cli\u003eEasy to install and fits typical 20x22x1 slots with accurate actual dimensions.\u003c\/li\u003e\n\u003cli\u003eMade in the USA with a sustainable recycled cardboard frame and UL classification for safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOnly available as a 1 in depth, so not suitable where thicker filters are required for tighter sealing or higher capacity filtration.\u003c\/li\u003e\n\u003cli\u003eCardboard frame, while rigid and recycled, may be less durable in very damp environments compared with plastic frames.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Size\u003c\/td\u003e\n\u003ctd\u003e20x22x1 (actual 19 11\/16 x 21 11\/16 x 3\/4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMERV Rating\u003c\/td\u003e\n\u003ctd\u003eMERV 13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e4-Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia Type\u003c\/td\u003e\n\u003ctd\u003eElectrostatically charged pleated filter media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComparable Ratings\u003c\/td\u003e\n\u003ctd\u003eMPR 1500-1900, FPR 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in USA (Houston, TX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety\/Class\u003c\/td\u003e\n\u003ctd\u003eClassified to UL 900\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe BNX TruFilter 20x22x1 MERV 13 4-pack is a practical, well-made upgrade from basic fiberglass filters for most homes, delivering measurable reduction in dust, pollen and smoke without hurting airflow. It is good value for allergy-prone households and pet owners who want cleaner air on a regular replacement schedule, though those needing thicker or medical-grade filtration should consider other options.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this filter fit my furnace slot?\u003c\/strong\u003e\u003cbr\u003eThese are sold as 20x22x1 with an actual size of 19 11\/16 x 21 11\/16 x 3\/4, so they fit standard 20x22x1 slots that accept typical pleated filters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow soon will I notice cleaner air?\u003c\/strong\u003e\u003cbr\u003eUsers typically report noticeably cleaner air and reduced dust within about 48 hours of installation thanks to the electrostatic MERV 13 media.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the frame durable?\u003c\/strong\u003e\u003cbr\u003eThe double-sided recycled cardboard two-piece frame provides good rigidity for normal indoor use, but plastic-framed filters may be more suitable in consistently damp environments.\u003c\/p\u003e","brand":"BNX","offers":[{"title":"Default Title","offer_id":48264884814043,"sku":"B0C5PG4PCF","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71WaaTn5_eL._AC_SL1500.jpg?v=1778228385","url":"https:\/\/gearmusthave.com\/products\/bnx-trufilter-20x22x1-merv-13-air-filter-4-pack-electrostatic","provider":"GearMustHave","version":"1.0","type":"link"}