The Pulse Brass Pulsating Sprinkler on Tripod. Designed with longevity in mind, Ray Padula brass PULSE pulsating sprinklers are constructed of 100% brass (unlike the competition¦s partial zinc construction). The spray flap and adjustment dial, varying the water stream from 21 to 48-ft. compounded with an extremely steady rotation speed provides for unparalleled water application. Looking for a pulsating sprinkler that will last for as long as you own your home? Stop. You¦ve found it. All brass head construction. Heavy-duty, telescopic 72-in. tripod. Circular spray pattern up to 90-ft. diameter, 5,800 square feet. EZGrip deep thread, rubber coated hose coupling. Distance control dial and flap. Precision molded nozzle. Heavy-duty, solid brass drive arm. Water saving, anti-backsplash arm design. Grip Tite adjustment collars adjust the watering pattern to any part of a circle. Lifetime Guaranteed Satisfaction Policy.