ITEM NAME:Oxygen Gas Pressure Regulator Gauge G5/8 Pressure Reducing Valve Mig Tig Welding.Pressure Gauge Oxygen Pressure Regulator Welder Twin Gauge 0-25 O2 MPa 0.3 m3/h. Use Oxygen Pressure Reducer. Pressure Gauge. Rated Outlet Pressure 0-25 (MPa). Material: Aluminum Alloy. Ambient Temperature 0-40 (Â °C).