High Pressure Gas Regulator, Mounting Type Cylinder, Number of Stages Single Stage, Compatible Gas Type Argon, Helium, Nitrogen, Control Type Knob, Maximum Inlet Pressure 5,500 psig, Inlet Connection Size 1.045 In.-14, Inlet Connection Gender Female, Inlet Connection Type NGO, Outlet Pressure (Maximum) 3,000 psig, Outlet Connection Gender Female, Outlet Connection Size 1/4 in, Outlet Connection Type Tube Fitting, Outlet Thread Direction Right Hand, Gas Purity Rating 99.9999 Percent