Water Manifold 50mm x 3/4 inch Skt (4PT)

Best to use a plumbing cleaner then pipe cement to assemble. Pipework pushes inside this part at the female end and at the male end it pushes in to a female socket.

Used when the piping for the water jets is supplied in 3/4 inch flexible hose. You would glue the 3/4 inch flexible hose inside the fitting.