RADNOR RAD64003034 Gas Regulator, Single Stage, CGA-540, 5 to 125 psi, Gas RegulatorNEW IN BOX, BOX HAS SOME SHELF WEAR NOTEDNumber 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 916 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