XL-80 Corona Discharge Ozone Generator unit with built in venturi injector - easy installation. Please select plug type required - standard 3 pin plug, AMP Balboa style plug, AMP Spanet/Spa-quip plug, Supplied with tubing and check valve built in. Air inlet tubing to be run above water level 50mg/hr rated output Water inlet MUST come into the unit on the right and out of the unit on the left. 100-240V, 50/60Hz, 350mA