O3 LEAF Plug-In Adjustable Ionic Ozone Air Purifier (RED) Compact Design: Ideal for small spaces in Homes & RVs. Easily moved from room to room and travel ready Optimum Output Control: adjustable ozone concentration UP TO 300 MG/H Purifies up to 322 sq. ft. Quiet Operation & Low Maintenance Chemical Free: does not use or produce chemicals. Low Power Consumption. Direct OEM. Both CE and RoHS Certified Deodorizes odors from smelly shoes, smoke, sports equipment, pet smells, perfumes, etc., leaving rooms refreshed and odor free