This Vacuum Ejector Venturi is suitable for VUTEk QS-Series printers. This Vacuum Ejector with Built-in Silencer has a Port Size Inlet of 1/4 Inch and a Port Size Outlet of 1/4 Inch. The Maximum Flow Rate is 1.20, Vacuum Pressure is 14 and the Nozzle Diameter is 1.00 mm. This is the original VUTEk part (P9286-A).