Clorox Large Room Air Purifier against allergens, pet dander, dust, smoke, viruses, bacteria and more. It captures 99.97% of allergens and particulates and 99.9% of viruses and bacteria. 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. PM2.5 digital display and color-coded light provide real-time feedback on current air quality. The unit will keep air clean around the clock. Select the auto mode and walk away it automatically adjusts to the ideal fan speed in response to changes in your air quality. The Clorox Large Room Air Purifier is CADR-rated for excellent air purification that you can count on, with a 206 CFM (cubic feet per minute) for smoke, a 219 CFM for dust and a 232 CFM for pollen. Energy Star certified. Includes 1 Clorox filter that lasts 6-12 months.