John Guest USA, Inc.
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John Guest is a world-leading manufacturer of high-quality engineered push-fit fittings, valves and pipe, ranging in sizes from 1/4″ to 1/2″ OD and 1/2″, 3/4″ and 1″ CTS in a variety of configurations for potable water and traditional plumbing applications. Fittings are easy to use and require no tools to make reliable leak-free connections. John Guest products are lead-free and are listed with NSF Standards 14, NSF61, CSA Standards pw and IAPMO Plumbing Codes.