John Guest 3/8" Tank Top (Used With ProSeries) is a white polypropylene that has food grade O-rings. This valve connects between your tank to the main water supply line, for applications in reverse osmosis water systems. These valves are not to be used with anything other than water or plumbing applications.
John Guest Fittings have:
- Push-fit technology
- Quick disconnection without the need for tools
- EPDM O-rings
- Intended for use water