Rotary Nozzles fit companion spray heads to design irrigation systems for specific needs. Come in fixed-arc models that distributefrom 13 to 18 ft. or from 17 to 24 ft. Spray water in quarter, third, half, 2-thirds, 3-quarter, and full-circle patterns. Emit multiple, rotating streams that distribute water uniformly throughout radius. Boast flow rate measuring about 60% less than conventional spray nozzles. Allow landscaping crews to install more spray heads per zone to reduce overall complexity and cost of irrigation system. Also offer low precipitation rate of 0.60 ins. an hr. to save water, reduce run-off into soil, and ward off erosion.