Orbit DripMaster 67454 1/2-Inch Male Pipe Thread to 1/2-Inch Drip Tube Adapter Use to connect 1/2-inch drip tubing to a 1/2-inch pipe thread fitting Just glue the slip fitting to 3/4-inch pvc pipe and insert the tubing into the tubing adapter Unique release feature simplifies installation and maintenance Works with 1/2-inch orbit, 5/8-inch rain drip, toro blue stripe, 1/2-inch dig and 1/2-inch mister landscaper drip tubing For outdoor use with cold water only