New style for 2022! Dual voltage Universal Plasma Gap Ozonator with attached Mini J&J plug. New Plasma technology provides longer life with much higher ozone output and more efficiency. This unit will replace older or discontinued ultra violet style and corona discharge Ozonators and installs in minutes. Can be used on virtually any ozone ready spa that has the Mini J&J plug style. Advanced auto sensing technology simplifies installation. Ozonator outputs 50-70 mg/hr depending on flow rate. Good for up to 500 gallons.