John Guest Speedfit Brass Backplate Elbow 22mm X 3/4" (Pack of 2)JG Speedfit brass back plate elbow with back plate for connecting pipe using a female thread, making it ideal for bib taps. To connect the push fit end, simply push onto a plastic or copper pipe. To demount the connection, push the collet towards the body of the push fit fitting and pull the pipe to release. The JG Speedfit brass back plate elbow is quicker and easier to install in confined spaces than traditional methods as it eliminates the need for