... distributors in the USA, Canada, Russia, Greece, Italy and Finland. Cold catalyst,Anion,numeralAutomatic,Silent type ,Multifunction Voltage:ac220V±10%/50HZPower ... Anion Output: 4million/cm3 Ozone work Time:30min/per time Cold catalyst work time: LongAnion work time: Long Weight:N.W ... ozone lasts much longer in filtered water than it does in warm or hot water.*Using the device to device to treat tap ...