This 1″ x 3/4″ Sch 80 CPVC Bushing (SPIG x FNPT) is installed in a fitting to reduce the diameter of the pipe. This bushing glues into a socket fitting and provides a female thread to connect to. CPVC is a higher temperature version of PVC and has better chemical resistances. Petram PVC has all the schedule 80 PVC and CPVC fittings and valves you need for your project.