Rain Bird 24RNH Mini Rotary Spray Nozzle, 180&deg; Half Circle Pattern, Adjustable 18' - 24' Spray Distance Multi-stream rotary sprinkler nozzle with removable 200 mesh filter Can replace standard Rain Bird MPR pop-up spray nozzles or 5000/5000 plus rotary nozzles Ideal for slopes and hillsides or systems with low water pressure 180 half circle pattern, adjustable spray distance from 18' to 24' Multiple rotating streams uniformly distribute water throughout the radius range Matched precipitation rate allows more nozzles per zone reducing cost and simplifying design process Constructed of highly durable UV and chemical-resistant materials to assure long life