Gas Switchover System, Compatible Gas Type Oxygen, CGA Number CGA 540, Maximum Inlet Pressure 3,000 psig, Outlet Pressure (Maximum) 125 psig, Outlet Connection Size 1/4 in, Outlet Connection Type NPT, Inlet Connection Size 0.825 In.-14, Inlet Connection Type NGO, Inlet Thread Direction Right Hand, Body Finish Chrome Plated, Body Material Brass, Application Cutting, Welding, Control Type Knob, Gauge Diameter 2 in, Mounting Location Wall