Flowmeter, Compatible Gas Type Argon, Carbon Dioxide, Helium, Mounting Type Pipeline, Inlet Connection Gender Male, Inlet Thread Direction Right Hand, Inlet Connection Size 1/4 in, Inlet Connection Type NPT, Maximum Inlet Pressure 25 psig, Outlet Pressure (Maximum) 40 psig, Outlet Connection Gender Female, Outlet Connection Size 5/8 In. -18, Outlet Connection Type UNF, Argon Flow Rate (Maximum) 50 scfh, Carbon Dioxide Flow Rate (Maximum) 40 scfh, Helium Flow Rate (Maximum) 150 scfh. This item has been restricted from sale in the following state (s): []