John Guest Speedfit Blue Stop End 20mm UG4620B (Pack of 5)JG Speedfit cold water service stop end that quickly and easily caps off MDPE pipework at termination points on a temporary or permanent basis. The uniquely designed push fit fitting incorporates stainless teeth to provide a tight and secure grip on the pipe. Simply push the JG Speedfit cold water service stop end fully onto the pipe. The connection is demountable, making it easy to work with in the ground when maintaining or altering an existing set