{"product_id":"lennox-x6673-healthy-climate-hcf20-11-merv-11-filter-media-2-pack","title":"Lennox X6673 Healthy Climate HCF20-11 MERV 11 Filter Media (2 Pack)","description":"\u003cp\u003eIn this review the Lennox X6673 Healthy Climate HCF20-11 MERV 11 filter media is evaluated for homeowners and HVAC technicians who want a high-efficiency replacement for one-inch filters. The bottom line: it is a genuine Lennox OEM media that strikes a practical balance between particle capture and airflow, making it a solid pick for forced hot air systems where improved indoor air quality matters. The biggest reason to buy is its \u003cstrong\u003eMERV 11\u003c\/strong\u003e performance in a two-pack that fits the HCC20-28 air cleaner and replaces original factory media with minimal fuss.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 11 filtration:\u003c\/strong\u003e Captures dust, pet dander and other contaminants down to 0.3 microns for noticeably cleaner air in living spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Lennox OEM media:\u003c\/strong\u003e Factory original Healthy Climate media ensures compatibility with Lennox X6660 and HCC20-28 air cleaner models and reliable fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynthetic large-surface media:\u003c\/strong\u003e Provides greater dirt-holding capacity while keeping air resistance low, which helps maintain furnace efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL 900 Class 2 certified:\u003c\/strong\u003e The media meets UL classification standards for safety and construction, adding confidence in long-term use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-pack convenience:\u003c\/strong\u003e Ships with two replacement media panels so owners can change filters on a simple six-month schedule under normal use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eHomeowners with Lennox HCC20-28 or compatible Healthy Climate air cleaners who want a factory-equivalent replacement will appreciate this two-pack for routine maintenance and improved air quality. It suits families with pets or anyone sensitive to airborne particles who needs better capture than basic one-inch filters provide.\u003c\/p\u003e\n\u003cp\u003eThose who need thicker or higher MERV-rated panels for specialized medical environments or allergen-specific certification should look elsewhere; this product is designed for residential furnace systems and balanced performance rather than extreme filtration in commercial settings.\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 \u003cstrong\u003eMERV 11\u003c\/strong\u003e rating delivers meaningful reduction of fine particles and pet dander.\u003c\/li\u003e\n\u003cli\u003eExact fit for the specified Lennox air cleaner models, so installation is straightforward and reliable.\u003c\/li\u003e\n\u003cli\u003eDurable synthetic media with good dirt capacity helps extend service life to the recommended six months under normal conditions.\u003c\/li\u003e\n\u003cli\u003eUL 900 Class 2 certification provides assured construction and safety standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eActual dimensions are slightly under nominal size, so buyers should confirm fit in older or modified housings before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eX6673 Healthy Climate HCF20-11\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\u003eNominal Dimensions\u003c\/td\u003e\n\u003ctd\u003e20 in x 25 in x 5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual Dimensions\u003c\/td\u003e\n\u003ctd\u003e19-3\/4 in x 24-3\/4 in x 4-3\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMERV Rating\u003c\/td\u003e\n\u003ctd\u003eMERV 11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Air Cleaner\u003c\/td\u003e\n\u003ctd\u003eFits HCC20-28 (also fits X6660)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eUL 900, Class 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Lennox X6673 HCF20-11 is a sensible, OEM-equivalent filter media for homeowners who need better-than-basic filtration without sacrificing airflow. It is easy to install, fits the recommended Lennox air cleaner models, and offers good value as a two-pack with a six-month replacement cadence, making it a practical buy for routine HVAC maintenance.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should these filters be replaced?\u003c\/strong\u003e\u003cbr\u003eReplace every six months under normal residential use, or more often if the system is heavily loaded with dust or pet dander.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this media fit my Lennox air cleaner?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed to fit the HCC20-28 air cleaner and is compatible with the X6660 model; check the actual dimensions if your housing is non-standard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a genuine Lennox part?\u003c\/strong\u003e\u003cbr\u003eYes, this is factory original Healthy Climate media and is sold as genuine Lennox OEM filter media.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":48242128650459,"sku":"B008D7URTG","price":67.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/714l_4j0MXL._AC_SL1500.jpg?v=1770967922","url":"https:\/\/gearmusthave.com\/products\/lennox-x6673-healthy-climate-hcf20-11-merv-11-filter-media-2-pack","provider":"GearMustHave","version":"1.0","type":"link"}