Orbit's Professional Gear Drive is the best in class of all gear drive pop-up sprinkler heads. It is the #1 consumer choice for medium to large area gear drive sprinkler heads. It's versatility allows coverage from a 25 Ft. up to a 52 Ft. radius in a part- to full-circle spray pattern. The gear drive rotor ensures even and complete water coverage as well as a quiet spray. A filter protects the nozzle from clogging and is easily accessible for cleaning. It is compatible with all major brands of gear drive rotors including Rainbird, Hunter, and Toro.