Toro 570Z Side Inlet Sprinkler with Pressure Regulator and X-Flow, 12" Patented In-riser Pressure Regulator Maintains constant 30 psi (2,1 Bar) psi outlet pressure, which minimizes misting and fogging caused by pressures above 30 psi (2,1 Bar) Zero Flush Wiper Seal Prevents flushing on pop-up, allowing more sprinklers on the same line Enhanced Retraction Spring and Wiper Seal Robust retraction spring and enhanced seal material ensures positive pop-up and retraction on all 570Z models Patented X-flow Water Shut-off Device No Nozzle Included