Toro 53816 570Z Pro Series 3" 180 Degree Pop-Up Sprinkler with Nozzle and 15' ThrowToro's 570Z Pro Series Fixed-Spray Sprinklers are tougher by design. Ideal for small lawn and shrub areas, the 570Z is designed for water efficiency without sacrificing results. The durable zero-flush seal prevents water waste due to wear and at system start up. This means you can install more sprinklers per zone. Features Patented Zero Flush Seal that prevents water waste on start up, Superior retraction spring and seal ensures proper retraction and prevents water waste, Pre-installed nozzle is easily replaced with any Toro nozzle Heavy-duty stainless steel retraction spring improves pop-down and resists corrosion, Matched precipitation rate (MPR) ensures even water distribution, Ratcheting riser for fine-tuning arc alignment after installation, Threads directly to standard 1/2" risers 15' Spray Radius.