GERG1009 Features: * Filter should be replaced approximately every 6-8 months depending on use * True HEPA captures up to 99.97pct of airborne particles including dust mites, pet dander, mold spores, plant pollens and debris * Filter has been treated with an anti-microbial agent to inhibit the growth of mold, mildew and odor-causing bacteria on the surface of the filter Dimensions: * Overall Dimensions: 10"" H x 3"" W x 5"" D