John Guest is the world’s leading OEM supplier for pipe connections including plastic push-to-connect fittings and other fluid control products.

John Guest Americas products exceed industry standards while upholding the utmost quality. Explore our products, including OD Tube Fittings and OD Valves.

Discover the full range of fittings, connectors & pipes available for use across a range of industries & applications. John Guest: The Home of Push-Fit.

Plastic and brass push-fit fittings and manifolds that provide leakproof connections and fast and simple installation, without using tools or hot works.

Explore our OD tube fittings for water treatment, water purification, reverse osmosis (RO) and more below to find the size and solution that works for you.

John Guest water supply kits, installation kits and service and repair kits include various configurations of our most popular polypropylene pipe fittings in 1/4 in., 3/8 in. and 1/2 in. OD sizes.

John GuestTM is just one of RWC's world-class family of brands. As part of the RWC family, we continue to be a world-leading manufacturer of push-fit fittings, tubing and other fluid control products.

I prefer Speedfit plumbing push-fit fittings for their hassle-free installation, eliminating the need for complex tools or soldering. They offer a user-friendly experience, making plumbing projects more …

The PI range of inch-sized push-fit fittings are manufactured in gray acetal copolymer with a food-grade nitrile o-ring, making them especially suitable for applications involving foodstuffs and potable liquids.

The John Guest Male Connector (NPTF Thread) in acetal gray is a food-grade push-fit fitting for connecting OD tubing sizes to female NPTF threads. Here's how.