John Guest Angle Stop Valve - 3/8" Faucet Adapter White AcetalThe John Guest Angle Stop Valve is a professional grade solution for tapping into existing water lines for beverage equipment, coffee makers, or water filters. This valve connects between your wall mounted angle stop and the faucet riser, providing a 1 4" or 3 8" OD push fit branch with an integrated shut off. Constructed from high quality white acetal, it offers high chemical resistance and is NSF 51 and NSF 61 certified for potable water, ensuring a