50251 Rotary Sprinkler AquaDriveTM motor delivers three times the life of standard motors and provides superior resistance to water-borne dirt and debris Ultra-quiet triple-stream nozzle Even coverage from the center of the circle to the outer edge Intuitive dual-tab controls for adjusting range Large 10.5 in. circular base for excellent stability 4,000 ft2 coverage area Series connection with metal easy swivel coupling and ergonomic grip