Gas Regulator, Maximum Gauge Outlet Pressure 200 psig, Number of Stages Single Stage, Compatible Gas Type Carbon Dioxide, Control Type Knob, Inlet Connection Type NGO, Inlet Connection Gender Male, Inlet Connection Size 0.825 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, Body Finish Chrome Plated, Diaphragm Material Stainless Steel, CGA Number CGA 320