Rain Bird 1804HDS Professional Dual Spray Pop-Up Sprinkler, 180&deg; Half Circle Pattern, 8' - 15' Spray Distance, 4" Pop-up Height #1 commercial-grade irrigation spray head brand in the world Combines patented Dual Spray nozzle technology with the #1 pop-up sprinkler in the world Provides enhanced close-in watering to eliminate brown spots near the head 180 half circle pattern, 4" pop-up height, adjustable 8' to 15' spray distance Heavy-duty stainless steel spring assures flush retraction every time Patented pressure-activated co-molded wiper seal prevents wasteful water leakage and assures long life Tapered pop-up neck helps remove debris during retraction