Uniweld FV600 Oxy/Fuel Adapter to Connect an MC Regulator (CGA200) to a Disposable Fuel Cylinder (CGA600) Fuel valve adapter to connect Uniweld acetylene MC regulator to a disposable fuel cylinder Connects CGA200 to CGA600 Fuel compatibility with other manufactuer's acetylene regulators must be determined prior to use Plastic tote, regulators, tanks, and hose not included Proudly made in the U.S.A