High Purity Gas Regulator Mounting Type Cylinder Number of Stages Two Stage Compatible Gas Type Chlorine Nitric Oxide Nitrogen Dioxide Sulfur Dioxide Control Type Knob Maximum Inlet Pressure 3 500 psig Inlet Connection Size 1.030 In.-14 Inlet Connection Gender Male Inlet Connection Type NGO Inlet Thread Direction Right Hand Outlet Pressure (Maximum) 250 psig Outlet Connection Size 1/4 in Outlet Connection Type Tube Fitting Gas Purity Rating 99.5 Percent