Specialty Gas Regulator, Maximum Gauge Outlet Pressure 30 psig, Number of Stages Single Stage, Compatible Gas Type Argon, Helium, Nitrogen, Control Type Knob, Inlet Connection Type NPT, Inlet Connection Gender Female, Inlet Connection Size 1/4 in, Outlet Pressure (Maximum) 15 psig, Outlet Connection Gender Male, Outlet Connection Size 1/4 in, Outlet Connection Type NPT, Body Material Brass, Body Finish Chrome Plated, Diaphragm Material Neoprene, CGA Number -