... in a pipe, with long life and a scintilla of oxynitride Add a interference ... and vegetable, keeping food fresh ,Water treatment ,Air purificationRange of usage: Sterilization, disinfection, eliminating odors in living-room, meeting-room ... , lavatory, classroom, ward, amusement places, hotel guest-room and so on. Sterilization of fruit and vegetable, disassembling hormone and ...