Specialty Gas Regulator Regulator Supply Type Cylinder Gas Service Corrosive Stages Single Stage Inlet Connection CGA-330 Outlet Connection 1/4 in MNPT SST Tube Fitting Delivery Pressure Range 0 to 250 psi Gauge Size 2-1/2 In. Supply Pressure Gauge 4000 psi Max Inlet Pressure 3500 psi Body Material Stainless Steel Diaphragm Material Neoprene Body Dia 2.000 In. Regulator Application General Purpose