1. This air purifier destroy bacteria and viruses , prevent air-borne diseases 2. eliminate bad odours from air OG-501 Ozone Generator Air Purifier Grooming saloon, ... odors, cleaning chemicals, bacteria, fungus, viruse and other indoor air pollution, etc.Generating high level of ozone, 14g/h, becomes ... the most efficient machinery in current market.Purify the air in a 325 square ft room in less than ...