The McAlpine R16 is a plumbing component that features a 1¼" plain tail on one end and a 19/23mm universal connection on the other. The plain tail is designed to fit into a plumbing component with a corresponding size and shape, while the universal connection allows for a range of different components to be connected to the R16. This makes it a versatile and practical option for a range of different plumbing installations. The R16 is made from high-quality materials, which ensures that it is durable and long-lasting. It is also easy to install and can be used with a range of different plumbing components. Overall, the McAlpine R16 is a reliable and practical plumbing component that is designed to be used in a range of different situations. Its plain tail and universal connection make it versatile and easy to use, while its high-quality construction ensures that it will last for years to come. ・ 1¼" Plain Tail to BS EN 1329-1:2020 solvent weld ・ Plain tail is designed to fit into other fittings or Traps with Multifit or universal connections ・ 19/23mm Universal Connection