EFFECTIVE FOR EXTRA LARGE ROOM UP TO 2,934 SQ. FT. - The U.S. EPA estimates that the air in your home can have as much as 5 TIMES MORE pollutants than outdoors. Although the air may look clean to the naked eye, you could be unknowingly inhaling harmful air. OxyPure is proven to effectively purify the air up to 2,934 sq. ft. per hour. SMART TECHNOLOGY BUILT-IN – Auto function utilizes particle & odor sensors to continuously monitor air quality in the room and automatically adjusts fan speeds for optimal purification. Turbo function operates at max speed for up to 2 hours for rapid purification. 6 fan speeds from low to high can be selected for up to 12 hours. Connect remotely to monitor and control the air quality in your home anytime, anywhere from an app on your phone. REVOLUTIONARY 5-LAYER PROTECTION – The revolutionary Bio-Guard Filter and Stainless Steel Pre-Filters are washable & reusable. Ozone Emission Removal Filter are reusable. Includes 8 HEPA/Carbon Combo Filter. ALLERGY RELIEF & BETTER SLEEP – The National Sleep Foundation found that sleep is dramatically impaired by poor air quality. OxyPure promotes better sleep by eliminating and purifying the air that can irritate the sinuses. OxyPure is designed with Night Time mode. All indicator lights turn off and fan operates at whisper-quiet level at 31.4 dB to help promote ideal sleeping conditions. INDEPENDENT 3RD PARTY LAB CERTIFIED - California Air Resource Board (CARB) certified, and Intertek tested. EPA Energy Star certified – the OxyPure can operate all year long with minimal annual electricity costs!