A connector for use with a conduit to supply gases to a user is disclosed. The connector comprises a pair of connectors, adapted to fit together and swivel relative to one another. More particularly, the connector may comprise a female and male connector assemblies, adapted to be push fit together. The female connector assembly preferably has an extended shoulder and a number of triangular guide slots, the slots being shaped so as to be wider at one end. The male connector assembly preferably comprises a connector and a sleeve that when joined, cannot be easily separated by axial or torsional tension applied to either, but may rotate freely relative to each other. The sleeve preferably has a number of guide ridges running axially along its outside surface that slidably mate with the guide slots on the female connector.