Abstract: In the preferred and illustrated embodiment of the invention, a valve enclosure is disclosed. The enclosure comprises a substantially cylindrical body open at both ends. The cylindrical body includes interior threads at each end thereof and an enlarged central portion between the threaded ends. The valve enclosure is threadably connected to a container including an upstanding valve protruding therefrom and enclosed by the valve enclosure. Visual indicators are provided on the exterior of the valve enclosure body indicating that the container is full or empty.