1/2" 20JH Full Circle Brass Impact SprinklerRainBird 1/2" Brass Impact Sprinklers are a great choice for use on all types of solid set and center pivot systems or just a sprinkler stand in your yard. The reliability of the durable brass construction make it perfect for in field applications also. Excellent performance in low to medium application rates. This is a full circle sprinkler that is built to last!Features:1/8" FPT nozzle portDurable brass die-cast armStainless steel springs and fulcrum pinPTFE (Teflon) chemically resistant washers Corrosion and grit resistantPlease Note: One nozzle is included (pre-installed). Use drop-down menu for nozzle size selection.