Cleans indoor air in public and shared spaces such as restrooms, childcare facilities, waiting rooms and other areas of high concentrations of people. True HEPA filtration captures 99.97% of airborne particulates including bacteria and viruses. Patented EnviroSmart sensor automatically adjusts to optimize performance in response to airborne contaminants and/or room occupancy. Activated carbon filter adsorbs wide range of chemical contaminants and odors. Optional PlasmaTrue Bipolar Ionizer safely renders bacteria, viruses, and mold inactive. Filter replacement indicator lights. For spaces 700-1,400 square feet. Dual Motor Air. Capacity up to 440 CFM . Built-in handle and stand allow for easy portability. Includes 120V plug for easy use and quick set up. Vandal resistant reinforced housing. 5 Year Limited Warranty.