High Purity Gas Regulator Mounting Type Cylinder Number of Stages Two Stage Compatible Gas Type Argon Helium Nitrogen Control Type Knob Maximum Inlet Pressure 3 500 psig Inlet Connection Size 0.965 In.-14 Inlet Connection Gender Male Inlet Connection Type NGO Inlet Thread Direction Right Hand Outlet Pressure (Maximum) 50 psig Outlet Connection Gender Male Outlet Connection Size 1/4 in Outlet Connection Type NPT Gas Purity Rating 99.9 Percent