Rainbird Y65970SSNP 5000 Plus Series Pressure Regulator Full Circle with Stainless Steel Riser, 6" 6 in. 5000 Series Full-Circle Pattern Pop-up Rotor with PRS Pressure Regulation and SAM Check Valve Stainless steel riser helps deter vandalism on public turf areas Faster maintenance with a new self-cleaning arc adjustment screw