Flowmeter Regulator, Regulator Supply Type Cylinder, Gas Service Argon, Carbon Dioxide, Helium, Stages Single Stage, Inlet Connection CGA-580, Outlet Connection 5/8 In. -18 RH Internal, Delivery Pressure Range 50 psi, Gauge Size 1 1/2 in, Supply Pressure Gauge 0 to 4000 psi, Max. Inlet Pressure 3, 000 psi, Body Material Brass, Body Dia. 2.0 in, Includes 6 ft Hose With Inert Hose Connections, Precision Flow-Adjustment Valve, Regulator Application Welding. This item has been restricted from sale in the following state (s): []