John Guest has a long established reputation as a world leading supplier of Fluid System Products. This reputation has been built by consistently producing high quality products with an ongoing commitment to growth and innovation. Combine these with our superior product available in Polypropylene and Acetal. Acetal valves are also suitable for use with compressed air, CO2 line, and pneumatic applications.
John Guest Speedfit Marine Plumbing Fittings, Valves and Tubing
Fluid System Products-
Fittings, Valves, and Tubing
Fast, Reliable Tubing Connections
with No Tools!
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