The Clorox Medium Room Air Purifier protects from allergens, pet dander, dust, smoke, viruses, bacteria and more. It captures 99.97% of allergens and particulates* and 99.9% of viruses and bacteria** so you can breathe easier. The 3 stage 360 degree filter delivers 360 degree air purification by capturing particulates in 3 filters: a pre-filter, True HEPA filter and active carbon filter. You'll always know your current air quality because the PM2.5 digital display and color-coded light provide real-time feedback. To keep your air clean around the clock, select the auto mode, as it will automatically adjusts to the ideal fan speed in response to changes in your air quality. CADR-rated for excellent air purification that you can count on, with a XX CFM (cubic feet per minute) for smoke, a XX CFM for dust and a XX CFM for pollen. Energy Star certified. Includes 1 Clorox filter that lasts 6-12 months.