Rainbird CP-075 3/4 in in Line Valve Without Flow Control: * Buna-N diaphragm offers superior performance in harsh water environments * Reverse flow design reduces stress on diaphragm for dependable operation * In-line design minimizes pressure loss * Operates automatically or manually with manual bleed screw * Designed for below-ground installation, out of sight and away form playful hands * 3/4 in female pipe thread inlet and outlet