K-Rain 11003 ProPlus Sprinkler Rotor - 3/4" Inlet Revolutionary Patented Easy Arc Set  Simplified arc set allows for wet or dry adjustment in seconds 5" Riser  Perfect for grasses with thick thatch " Inlet  Replaces all standard rotors Time Proven Patented Reversing Mechanism - Assures continuous reverse and return Rubber Cover  Seals out dirt and increases product durability