High Purity Gas Regulator Mounting Type Cylinder Number of Stages Two Stage Compatible Gas Type Hydrogen Chloride Hydrogen Sulfide Control Type Knob Maximum Inlet Pressure 3 500 psig Inlet Connection Size 0.825 In.-14 Inlet Connection Gender Male Inlet Connection Type NGO Inlet Thread Direction Left Hand Outlet Pressure (Maximum) 25 psig Outlet Connection Size 1/4 in Outlet Connection Type Tube Fitting Gas Purity Rating 99.5 Percent Helium Leak Integrity Rating 2.00 x 10 -8 cc/sec