{"product_id":"nordic-pure-20x25x5-lennox-replacement-merv-15-air-filters-2-pack","title":"Nordic Pure 20x25x5 Lennox Replacement MERV 15 Air Filters 2 Pack","description":"\u003cp\u003eIn this review the Nordic Pure 20x25x5 Lennox replacement MERV 15 air filters are assessed for homeowners and light commercial users who need a high-efficiency pleated filter that fits common Lennox media housings. The bottom line: these two-pack filters deliver strong dust capture and steady airflow while emphasizing the importance of measuring because the actual size differs from the nominal size. For anyone replacing Lennox X6673 or X6675 media filters and wanting MERV 15 performance built in the USA, this set is worth considering.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact fit guidance:\u003c\/strong\u003e The listing gives both nominal and actual sizes so buyers can measure their filter or housing to ensure the filter will seat properly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 15 filtration:\u003c\/strong\u003e High-efficiency media captures fine particles for improved indoor air quality suitable for sensitive households and light commercial use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLennox replacement compatibility:\u003c\/strong\u003e Made to replace Lennox X6673 and X6675, which simplifies finding a compatible aftermarket option for those specific housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo pack value:\u003c\/strong\u003e Sold as a 2 pack, providing straightforward immediate replacement and a spare filter at a reasonable cost compared with single-unit purchases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmerican manufacture:\u003c\/strong\u003e Filters are made in the USA, which can matter to buyers who prioritize domestic production and consistent construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth variance noted:\u003c\/strong\u003e The review highlights that this traditional 5 in nominal filter measures an actual 4 3\/8 in, helping avoid fit problems with varied manufacturers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis filter is best for homeowners, small commercial operators, or building maintenance staff who use Lennox media housings listed as X6673 or X6675 and want high particle capture without severely restricting airflow. It is particularly suited to households concerned about dust, pollen and fine particulates where MERV 15 level filtration is desired.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include buyers who cannot confirm the actual depth or face dimensions of their current filter or housing, and installers who need an exact 5 in depth from a specific manufacturer rather than the actual 4 3\/8 in construction. Also consider different MERV levels if very low resistance or specific HVAC manufacturer recommendations are required.\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 MERV 15 media that customers report captures dust and improves air quality.\u003c\/li\u003e\n\u003cli\u003eMade to replace Lennox X6673 and X6675, offering a compatible aftermarket option for those housings.\u003c\/li\u003e\n\u003cli\u003eClear actual dimensions listed so buyers can measure and avoid fit issues.\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA, which supports consistent build quality for many buyers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eActual size differs from nominal size (actual 19 3\/4 x 24 3\/4 x 4 3\/8), so measurement is required to ensure proper fit.\u003c\/li\u003e\n\u003cli\u003eSome customers note mixed opinions on build quality, so expectations should be tempered for heavy commercial use.\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\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 5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual Size\u003c\/td\u003e\n\u003ctd\u003e19 3\/4 x 24 3\/4 x 4 3\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement For\u003c\/td\u003e\n\u003ctd\u003eLennox X6673 and X6675\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration Rating\u003c\/td\u003e\n\u003ctd\u003eMERV 15 (equivalent to MPR 2800)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e2 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Manufacture\u003c\/td\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Nordic Pure 20x25x5 Lennox replacement MERV 15 filters are a sensible choice for those who need strong particulate capture and a clear replacement for Lennox X6673\/X6675 housings. They offer good value in a two-pack and are made in the USA, but buyers must measure the actual dimensions to avoid fit issues; when the size matches, they provide noticeable dust control and steady airflow.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size should I measure before ordering?\u003c\/strong\u003e\u003cbr\u003eMeasure the actual filter or the housing opening and compare to the listed actual size 19 3\/4 x 24 3\/4 x 4 3\/8 in to ensure a proper fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work in Lennox furnaces?\u003c\/strong\u003e\u003cbr\u003eThese are made to replace Lennox X6673 and X6675 media filters, so they will work when the actual dimensions match the housing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow effective is the filter?\u003c\/strong\u003e\u003cbr\u003eWith a MERV 15 rating (equivalent to MPR 2800) it captures fine particles and customers report improved air quality and reduced dust.\u003c\/p\u003e","brand":"Nordic Pure","offers":[{"title":"Default Title","offer_id":48243918340315,"sku":"B01N4JZ5DS","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81rijzxV1aL._AC_SL1500.jpg?v=1771009228","url":"https:\/\/gearmusthave.com\/products\/nordic-pure-20x25x5-lennox-replacement-merv-15-air-filters-2-pack","provider":"GearMustHave","version":"1.0","type":"link"}