... varies with the change of demand, thus realizing accurate control 4. Adjustable ozone output: 20~100%5. Use ... : 1. Waste water treatment , Chemical oxidation ,sterilization 2. Swimming pool and SPA water sterilization and disinfection3. Domestic water sterilizer for ... to keep fresh ,use for food processing, cold storage . Control panel: Ozone output adjuster, Voltmeter, Ampmeter, Timer, Cooling water ...