This essential bulk 25-pack of End Feed 90-Degree Elbows is used to create a permanent, tight 90-degree turn in 15mm pipe runs. As a traditional solder ring fitting, it requires the application of heat and solder to form a reliable, leak-proof joint. Ideal for professional installation and tight routing in domestic plumbing, central heating, and water systems. A reliable, cost-effective solution for all your standard 15mm pipe bending needs.