Rain Bird CPZ075FAS Drip Irrigation Anti-Siphon Control Valve Kit, 3/4" Female x Female Durable 3/4" anti-siphon valve control zone kit for Drip irrigation systems Provides reliable control of on/off, filtration and pressure regulation Designed for low-flow Drip systems of less than 5 gallons per minute Pre-assembled to speed installation Includes 200 mesh pressure regulating filter to catch debris that can clog your system 3/4 threaded female inlet and outlet, 14 overall height