12mm Supply Outside Diameter x 12mm Exhaust Outside Diameter x 16mm Vacuum Outside Diameter, KZH One Touch, High Flow, Vacuum Ejector, 135 Litres per Minute at 4.5 bar, Air Consumption 185 Litres per Minute, Maximum Vacuum Pressure 53 Kilopascal, Supply Pressure 4.5 bar, Working Temperature, +5┬░C to +60┬░C, FT Pro