O-ion B-1000 Permanent Filter Ionic Air Purifier Pro Ionizer with Uv-c Sanitizer SAVE MONEY AND THE ENVIRONMENT - With just 7.5W of ultra-low energy consumption and no costly filters to replace, the purifier is a bargain for you and the environment. Size: 17"(H) x 6"(W) x 7"(D). Electrostatic Ionizer Purification - Negative ions (O1) remove airborne pollutants as small as .01 micron such as allergens, pollen, mold, smoke, pet dander, unpleasant odors, dust, and other airborne irritants. Whisper Quiet Purification Fan and Night Light - Silently draws air in for purification and cleans and sanitizes the air around you. Carbon Filtration and Ozone Power (O3) &lt; 0.05 ppm - Reduces odors, freshens the air, and absorbs volatile airborne pollutants. UVGI technology - Kills germs, viruses, bacteria, and other microorganisms that cause disease.