... 1.Multi-Function Ozone Water Purifier2.Agriculture chemical detoxification for fruit3.Children stuff purify:4.Remove odor:5.CE ... both purify air and water.2. Agriculture chemical detoxification for fruit and vegetable3. Air purify: kill virus and detoxification ... bar, cafe, KTV room, cinema, collective dormitory, train, the terminal, waiting room, the dressing room, laboratory, warehouse, the city ...