This essential bulk 25-pack of End Feed Straight Couplings is designed for securely connecting two equal lengths of 22mm pipe (copper or stainless steel) in a direct line. As a traditional solder ring fitting, it requires the application of heat to create a permanent, robust, and leak-proof joint. Ideal for professional installation and repair of larger diameter plumbing, central heating, and water supply systems. A reliable, cost-effective solution for all your standard 22mm pipe coupling needs.