Specialty Gas Regulator, Maximum Gauge Outlet Pressure 400 psig, Number of Stages Two Stage, Compatible Gas Type Acetylene, Control Type T-Handle, Inlet Connection Type NGO, Inlet Connection Gender Male, Inlet Connection Size 0.825 In.-14, Outlet Pressure (Maximum) 15 psig, Outlet Connection Gender Male, Outlet Connection Size 9/16 In.-18, Outlet Connection Type UNF, Body Material Brass, Body Finish Chrome Plated, Diaphragm Material Neoprene, CGA Number CGA 300