Designed to provide a safe permanent outlet when installed into the household LP-Gas system. This permanent outlet eliminates the need for smaller containers when operating outdoor LP-Gas equipment. It is recommended that a shutoff valve be installed upstream from the adapter inlet to facilitate future servicing. This device adapts a POL cylinder valve to Type l Acme connector, which offers a smooth right handed, wrenchless connection. Inlet: male soft nose POL. Outlet: 1 5/16" Male Acme or Female POL.