This swing-joint elbow pipe fitting is built for installing yard sprinkler heads. This irrigation pipe fitting has a �-inch MNPT (Male National Pipe Thread) connection and a �-inch FNPT (Female National Pipe Thread) connection for versatility in many different pipe fitting uses. This Orbit sprinkler part attaches to PVC irrigation pipes and poly sprinkler pipes to create swing-joint connections for attachment to garden sprinkler system heads. This is an ideal piece for sprinkler head installation and sprinkler systems repair. Features and Benefits: Has a �-inch male-threaded inlet and a �-inch female-threaded inlet, Use with poly pipes and PVC sprinkler pipes, Attaches sprinkler heads to underground irrigation pipes, Durable construction ensures many years of dependability.