Other Valves & PartsChina C2h2 Acetylene Ethyne Cylinder Gas Regulator with Pressure Gauges Harris Type Model 301-15-300 3000160 0-15 30 Psi 400 Psi Cga300, Find details about China Regulator, Reducer from C2h2 Acetylene Ethyne Cylinder Gas Regulator with Pressure Gauges Harris Type Model 301-15-300 3000160 0-15 30 Psi 400 Psi Cga300