Amazon.com : Gilmour Turbine Rotor Sprinkler
Works at water pressures ranging from 15 PSI to 150 PSI and is made of an impact resistant, rustproof polymer with a flow through spike base. From the Manufacturer Gilmour's Turbine Rotor Sprinkler features a super quiet water driven trubine motor for full or partial circle coverage up to 4000 sq. ft. ( 70 ft. diameter).
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