Flowmeter, Compatible Gas Type Argon, Carbon Dioxide, Helium, Mounting Type Pipeline, Regulator, Inlet Connection Gender Male, Inlet Connection Size 1/4 in, Inlet Connection Type NPT, Maximum Inlet Pressure 50 psig, Outlet Pressure (Maximum) 50 psig, Outlet Connection Gender Female, Outlet Connection Size 5/8 In. -18, Outlet Connection Type UNF, Argon Flow Rate (Maximum) 60 scfh, Carbon Dioxide Flow Rate (Maximum) 50 scfh, Helium Flow Rate (Maximum) 160 scfh, Product Type Flowmeter. This item has been restricted from sale in the following state (s): []