This male-threaded poly extension adapter is easy to connect an in ground sprinkler system pipe to a lawn sprinkler head. Durable plastic construction ensures that this Orbit riser adapter will have long-lasting performance. If you have a do-it-yourself sprinkler system or an automatic watering system that needs this conversion， this orbit 37217D extension adapter is the ideal adapter for you. Features and Benefits: Converts �-inch garden sprinkler heads to have a �-inch inlet， Sturdy plastic construction ensures long life， Used to connect lawn sprinkler heads to below-ground sprinkler pipes， Not for use under continuous pressure.

Orbit 1/2" to 3/4" Sprinkler Riser Adapter Converts .50" Irrigation Pipe to .75"