Orbit DripMaster 67461 1-Inch Female Pipe Thread to 1/2-Inch Drip Tube Adapter Use to connect 1/2-inch drip tubing to a 1-inch pipe thread Works with the most common sizes of 1/2-inch drip tubing (690, 700 and 710 od) 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