When the pressure’s on, save water and money with Rain Bird PRS rotors and sprays. High water pressure is a common problem in communities across the nation. But this big problem has a simple solution. By regulating high or fluctuating pressure at the head, Pressure Regulating Stems (PRS) with Flow Optimizer™ technology can help save approximately one gallon per minute per rotor or spray. Given the high price of water in many areas, customers can also enjoy considerable cost savings—annually and over the life of the system.