Venturi’s to be used in conjunction with Ozone Generators. VEN-38 Venturi with build-in Non-Return Valve 3/8″ VEN-14 Venturi with build-in Non-Return Valve 1/4″ VEN-12 Venturi with build-in Non-Return Valve 1/2″ VEN-34 Venturi with build-in Non-Return Valve 3/4″ VEN-1 Venturi with build-in Non-Return Valve 1″ VEN-112 Venturi with build-in Non-Return Valve 1.5″ VEN-2 Venturi with build-in Non-Return Valve 2″
