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 optimise performance in response to airborne contaminants and/or room occupancy. Activated carbon filter adsorbs wide range of chemical contaminants and odors. Optional PlasmaTrue Bipolar Ioniser renders bacteria, viruses, and mould inactive. Filter replacement indicator lights . For spaces ranging from 55m² to 130m². Professional installation suggested. 5 Speed Air Delivery up to 440 CFM. Vandal resistant reinforced housing. 5 Year Limited Warranty.