High Purity Gas Regulator Mounting Type Cylinder Number of Stages Two Stage Compatible Gas Type Hydrogen Methane Control Type Knob Maximum Inlet Pressure 4 350 psig Inlet Connection Size 0.825 In.-14 Inlet Connection Gender Male Inlet Connection Type NGO Inlet Thread Direction Left Hand Outlet Pressure (Maximum) 50 psig Outlet Connection Gender Female Outlet Connection Size 1/4 in Outlet Connection Type NPT Gas Purity Rating 99.9999 Percent