1.Hotel/Motel Air sterilizer with self source of oxygen. 2.Conc. of ozone 5G/H. 3.Manufacturer Type : ozone generator Brand :Quanju Model ... , food and beverage industries, such as disinfection of water purification treatment, chemical industry, papermaking industry, such as skim, ... .0001mm like pollen, drifting dust and germ, with purification efficiency more than 99.99%.4:Activated carbon: Catalyse ...