Friedrich KWCFM Carbon Filters - 3 Pack for Kuhl and Kuhl+ Series - M Chassis Models Description Carbon filter 3-pack (M chassis models). Kühl’s advanced dual-stage carbon filtration system removes allergens, odors, ozone and other impurities from the air. The carbon filter works in tandem with the standard filter to achieve a superior air filtration rating as high as MERV 6. Features: Carbon filter 3-pack for Kuhl SM, ym and Em models More than double the filtration of standard foam and Mesh filters Filter effectiveness ratings up to MERV 6 Captures allergens such as dust, mold spores, pet dander, dust mites and pollen Adsorbs odors, ozone and volatile organic compounds Carbon filter 3-pack for Kuhl SM, YM and EM models More than double the filtration of standard foam and mesh filters Filter effectiveness ratings up to MERV 6 Captures allergens such as dust, mold spores, pet dander, dust mites and pollen Adsorbs odors, ozone and volatile organic compounds Product Details: Brand: Friedrich MERV Rating: 6 Item Weight: 0.01 Ounces Product Dimensions: 0.25 x 18 x 12 inches Item Weight: 0.01 ounces Manufacturer: Friedrich Item model number: KWCFM Is Discontinued By Manufacturer: No Batteries required: No