Specialty Gas Regulator Maximum Gauge Outlet Pressure 4 000 psig Number of Stages Single Stage Control Type Knob Inlet Connection Type NGO Inlet Connection Gender Male Outlet Pressure (Maximum) 15 psig Outlet Connection Gender Male Outlet Connection Size 1/4 in Outlet Connection Type NPT Body Material Brass Body Finish Chrome Plated Diaphragm Material Neoprene CGA Number CGA 350 Application General Purpose Laboratory Body Diameter 2.125 in Bonnet Material Chrome Plated Die Cast