High Purity Gas Regulator, Mounting Type Cylinder, Compatible Gas Type Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oxygen, Control Type Knob, Maximum Inlet Pressure 3,000 psig, Inlet Connection Size 1/2 in, Inlet Connection Gender Female, Inlet Connection Type NPT, Outlet Pressure (Maximum) 500 psig, Outlet Connection Gender Female, Outlet Connection Size 1/2 in, Outlet Connection Type NPT, Gas Purity Rating 99.99 Percent, Body Material Brass