Quiet, dependable gear drive. Standard 3/4 inch female inlet thread. Ideal for Medium to Large Lawn Areas. Spray adjusts from a 20 ft. to a 40 ft. radius in a part or full circle. 4 inch pop-up height. Compatible with all major brands of gear drive rotors including Rainbird, Hunter, and Toro. Bonus: Contains 8 Nozzles and Adjustment Key.