25 PSI Water Pressure Regulator: This 25psi pressure reducer low flow valve only regulates or maintains the stated pressure within your irrigation system when water is flowing,which will not reduce the incoming pressure of your water source. Pressure regulators need outflow and back pressure to regulate the system 25 PSI Pressure Regulator Inlet Size: ¾" FHT (Female Hose Thread). Outlet Size: ¾" MHT (Male Hose Thread).The pressure regulator can also be connected to an automated timer, backflow preventer, or filter, if needed 1/2 Inch Drip Irrigation Hose Adapter：The drip irrigation hose connector can be connected to 1/2 inch drip irrigation tubing to any standard 3/4" garden faucet, hose bibb or garden hose, hose splitter, garden timer, garden filter,water pressure regulator etc 1/2" Drip Irrigation Hose Connector Size: 3/4" female hose thread x 1/2" tubing with acceptable inside diameter: 0.520 - 0.55" (13.2 to 14.1mm), outside diameter: 0.620 - 0.650" (16 to 16.5mm) Reusable and Reliable : Differ from other types of irrigation fittings, these irrigation parts are reusable and recoverable, which can be removed and reinstalled. Our drip irrigation hose connector made of plastic; good quality sturdy material provides years of reliable use.It is an ideal irrigation parts for long item used drip irrigation system 25 PSI water pressure regulator for drip irrigation 3/4'' to 1/2'' garden hose pressure reducer low flow valve npt drip irrigation parts connectors drip system drip tape adapter 1/2 inch drip irrigation tubing hose connector garden drip irrigation system