John Guest Speedfit is a specialist manufacturer of push-fit fittings and pipework systems, serving sectors ranging from domestic plumbing and heating to industrial pneumatics and drinks dispense. Established in the United Kingdom, the brand is recognised for its reliable and easy-to-install connectors that require no specialist tools. Their product range includes plastic and metal fittings designed for secure, leak-proof performance in demanding environments, ensuring efficient fluid control across diverse engineering and maintenance projects.