PVC pipe fitting, likely a cap or plug used to seal the end of a waste pipe.Function: It is designed to close off PVC pipes or joints in plumbing systems.Design: The fitting consists of a threaded screw plug and a matching cap, allowing it to be securely tightened.Access: Such fittings often serve as rodding points, allowing access to the pipe for cleaning or clearing blockages.Material: It is made from durable plastic, commonly PVC or polypropylene, and is colored grey.