Rain Bird CT710X drip irrigation compression Tee,.710 in. Diameter, this compression Tee quickly connects three lengths of.710 in. outside diameter Drip irrigation tubing. A popular choice of irrigation contractors, reduces time and fatigue in any 1/2 in. tubing Drip irrigation system install. The finished connection is durable, leak-resistant and stays in place season after season. Constructed of highly durable UV and chemical-resistant materials to assure long life.