Amazon.com : Rain-bird 5000 Series Rotor Sprinkler Head - 5004 PC Model, Adjustable 40-360 Degree Part-Circle, 4 Inch Pop-Up Lawn Sprayer Irrigation System - 25 to 50 Feet Water Spray Distance (Y54007) (
Hunter Industries Pop-Up,Rotary PGP Gear-Drive Rotor Sprinkler with 3-Gallon Per Minute Nozzle PGP-ADJ - The Home Depot