Rain Bird HT07525PSI Drip Irrigation 25 PSI Pressure Regulator, 3/4" Female Hose Thread x 3/4" Male Hose Thread. This Drip irrigation pressure regulator connects quickly and easily to any 3/4” threaded outdoor faucet, garden hose or component. Properly regulates water pressure and flow to a Drip irrigation system; maintaining optimum 25 PSI pressure and water flow to Drip lines and emitter devices. Simply screw into place so rubber gasket seals to assure leak-proof performance. Constructed of highly durable UV and chemical-resistant materials to assure long life. Rain Bird “The Intelligent Use of Water”