Weathermatic D75E3280A D75 Series 1-1/4" #32 Yellow Part Circle Electric Rotor 80 PSI - This rotor has a special design that eliminates blow-by and reduces pressure loss to improve system performance. The full 4" pop-up clears tall turfgrass for even coverage. Its rolled-over flange keeps turfgrass clear of the riser and nozzle. The stainless-steel riser resists damage and vandalism. Radius can be adjusted up to 25% for best coverage.