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