Instant Brands AP300 Large Room Air Purifier, HEPA-13 Filter with Auto-mode and Air Quality Sensors, REMOVES ALLERGENS AND SMOKE: Advanced 3-in-1 filtration captures 99.97% of smoke, dust, pollen, pet dander, odors and other ultrafine impuritiesADVANCED AIR CLEANING TECHNOLOGY: 3-in-1 filtration (HEPA-13, Activated Carbon, Antimicrobial coating) plus plasma ion technology work together so you can breathe easier24/7 AIR QUALITY MONITORING: Our intelligent sensor monitors air quality 24/7 and adjusts fan speed in Auto Mode to make the air in your home cleaner A BRAND YOU TRUST: From the makers of Instant Pot, the brand that revolutionized the way you cook, is now transforming the way you live PREVENTS BACTERIAL GROWTH: Our 3-in-1 filtration contains an added antimicrobial coating protecting the filter CLEANER AIR IN MINUTES: Independently verified by AHAM (Association of Home Appliance Manufacturers) to filter the air in an area of 388 sq ft 5x per hour or up to 1,850 sqft 1x per hour WHISPER-QUIET NIGHT MODE: Light sensor automatically turns off displays and lowers noise to whisper-quiet levels when it is time for bed REDUCES ODORS: Activated carbon filter layer helps reduce unpleasant smells