Hunter I4004SS 4" Stainless Steel I40 Pop-up Rotor is a tough commercial rotor that delivers water with accuracy and efficiency at distances up to 70 feet. Featuring diverse three-port nozzle options, a non-strippable drive, and a thick rubber cover built to prevent injury; it's no wonder this rotor is found in more stadiums than any other in the world. With the strength of stainless steel, the I-40 is built to last in the harshest sports, public park, and commercial environments. If efficiency, effective irrigation, and beautiful results are the goal, the I-40 is the irrigation professional's best solution.