Rain Bird CPF100 In-Line Automatic Sprinkler Valve with Flow Control, 1" Threaded Female x Female Residential / light commercial grade 1" female threaded inlet and outlet valve with flow control to avoid misting Designed for below-ground installation out of sight and away from playful hands Operates automatically or manually with manual bleed screw Reverse Flow design reduces stress on diaphragm for dependable operation Energy efficient, low power encapsulated solenoid with captured plunger Buna-N diaphragm provides superior performance in harsh water environments