This Speedfit JG Push Fit Straight Coupler offers fast and simple installation with no tools required. Its push fit and demountable connection is ideal for use in confined spaces. Designed for hot and cold water systems, central heating systems, and compatible with both plastic and copper pipes. Features Grip and Seal connection with Twist and Lock compression. This lead free and non toxic coupler prevents scale build up and is corrosion free, ensuring long lasting performance.