{"product_id":"nordic-pure-20x25x4-pleated-air-filter-merv-12-with-carbon","title":"Nordic Pure 20x25x4 Pleated Air Filter MERV 12 - With Carbon","description":"\u003cp\u003eIn this review the Nordic Pure 20x25x4 pleated air filter is evaluated for homeowners and renters who need a higher-efficiency replacement that also reduces odors. The bottom line: this pack of two filters delivers solid particle filtration with an added carbon layer for improved smell control, but buyers must measure their existing filter first since the listed nominal size differs from the actual dimensions. For anyone who wants \u003cstrong\u003eMERV 12\u003c\/strong\u003e protection and odor reduction in a commonly used size, these filters are a practical, value-oriented choice.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eActual vs nominal size:\u003c\/strong\u003e The filter lists a nominal 20 x 25 x 4 size while the actual dimensions are 19 1\/2 x 24 1\/2 x 3 5\/8 in, so measuring your filter before ordering prevents fit issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 12 performance:\u003c\/strong\u003e The MERV 12 rating is equivalent to MPR 1500-1900 and gives reliable capture of dust and airborne particles for improved indoor air quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon layer:\u003c\/strong\u003e A fused carbon layer is bonded to the MERV media to reduce odors and provide more surface area without adding excessive airflow restriction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-material construction:\u003c\/strong\u003e The pleated MERV media fused to carbon creates 33% more surface area for filtration and odor control compared with some single-layer designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured domestically, which is useful for buyers who prefer US-made HVAC parts and consistent production standards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis filter is best for homeowners, apartment dwellers, and small-business maintenance staff looking for a replacement that balances particle capture and odor reduction. It suits furnaces and HVAC systems that accept a 20 x 25 x 4 nominal filter but require the specific actual depth listed here.\u003c\/p\u003e\u003cp\u003eIt is not the right choice for systems that need the deeper 4 3\/8 in actual depth used by some Honeywell or Lennox 20x25x4-plus-carbon styles; in that case a 20x25x5 replacement that measures 19 7\/8 x 24 7\/8 x 4 3\/8 in should be chosen instead. Also, anyone needing a thinner 3 in or a specialty HEPA replacement should look elsewhere.\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 balance of filtration and odor control thanks to the fused \u003cstrong\u003ecarbon plus pleated\u003c\/strong\u003e media.\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA, offering consistent build quality.\u003c\/li\u003e\n\u003cli\u003eProvides MERV 12 level filtration comparable to MPR 1500-1900 for better dust capture.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eActual size is smaller than the nominal size printed on the package, so some users reported fit and thickness confusion.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eNordic Pure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal size\u003c\/td\u003e\n\u003ctd\u003e20 x 25 x 4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual size\u003c\/td\u003e\n\u003ctd\u003e19 1\/2 x 24 1\/2 x 3 5\/8 in (19.5 x 24.5 x 3.63)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMERV rating\u003c\/td\u003e\n\u003ctd\u003eMERV 12 (equivalent to MPR 1500-1900)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003ePleated MERV media fused with a carbon layer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e2 filters per package\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Nordic Pure 20x25x4 MERV 12 pleated filter with carbon is a sensible pick for most homes that need improved particle capture plus odor control at a reasonable cost. Measure the existing filter carefully before ordering to avoid fit issues, and choose the deeper replacement if your system requires a 4 3\/8 in actual depth. Overall it represents good value for users who want \u003cstrong\u003eMERV 12\u003c\/strong\u003e performance and carbon odor reduction without specialty pricing.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre these filters truly MERV 12?\u003c\/strong\u003e\u003cbr\u003eYes, the filters are rated MERV 12, which the manufacturer notes is equivalent to MPR 1500-1900 for particle capture.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the carbon layer reduce odors?\u003c\/strong\u003e\u003cbr\u003eThe fused carbon layer is intended to reduce smells and increases surface area for filtration, so it can help with common household odors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat if my existing filter seems thicker?\u003c\/strong\u003e\u003cbr\u003eMeasure your current filter and compare to the actual size 19 1\/2 x 24 1\/2 x 3 5\/8 in; if your unit requires a 4 3\/8 in actual depth, choose the alternate 20x25x5 Honeywell replacement specified by the maker.\u003c\/p\u003e","brand":"Nordic Pure","offers":[{"title":"Default Title","offer_id":48252709470427,"sku":"B01JKZDLP6","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81_MsAOfk2L._AC_SL1500_fb15b8f7-b446-4a13-9555-b3287e4c4d65.jpg?v=1778285339","url":"https:\/\/gearmusthave.com\/products\/nordic-pure-20x25x4-pleated-air-filter-merv-12-with-carbon","provider":"GearMustHave","version":"1.0","type":"link"}