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″