Gas Regulator, Number of Stages Single Stage, Compatible Gas Type Oxygen, Inlet Connection Type NGO, Inlet Connection Gender Male, Inlet Connection Size 0.908 In.-14, Outlet Pressure (Maximum) 125 psig, Outlet Connection Gender Male, Outlet Connection Size 9/16 In.-18, Outlet Connection Type UNF, Body Material Brass, CGA Number CGA 540, Application General Purpose, Duty Rating Heavy Duty, Features Larger Regulator Body for Heavy Duty Applications, Sintered Inlet Filter, Stem-Type Seat Mechanism WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -