John Guest Speedfit tube fittings are quick connect push fit plumbing connectors made from engineered plastic with EPDM O-rings, designed to support hot and cold water systems at pressures up to 160 psi. These fittings are widely used in water treatment, beverage dispensing, HVAC, and plumbing applications thanks to their tool free installation, easy removal, and long lasting reliability. Available in sizes from 3/8" to 1" CTS in a full range of elbows, tees, couplings, connectors, and adapters, they provide trusted performance and leak tight sealing across diverse system requirements.











































