•Fits 201, 203, 215B, 250E, 270E, and 303 air purifiers. •For Heavily polluted environments removes smoke, odors, and harmful pollutants •2.2 x 14.8 x 18.8 inches •Carbon Filter helps effectively filter airborne irritants such as smoke, pollen, dust, mold spores, pet dander and fabric fibers. •By LifeSupplyUSA