Hunter Sprinkler PROS12PRS40CV Pro-Spray 12-Inch Pop-Up Sprinkler Regulated at 40 PSI with Drain Check Valve This efficient watering tool combines the rugged Pro-Spray body and replaces the traditional nozzle with a MP Rotator Regulated at 40PSI, the Pro-Spray PRS40 ensures the optimum output pressure to achieve maximum efficiency It is recommended for both residential and commercial applications