Rain Bird 15HC1 Matched Precipitation Rate Spray Nozzle, 180° Half Circle Pattern, 12' - 15' Spray Distance. Trusted for decades, Rain Bird MPR Nozzles are installed by more contractors than all other brands combined. MPR Nozzles simplify the design process by allowing sprinklers with various arcs and radii to be mixed on the same zone while maintaining even water distribution rates. Non-corrosive plastic and stainless steel construction for long life. Stainless steel adjustment screw adjusts flow rate from Spray distance from 12' to 15'. Nozzle sprays a 180° half circle pattern and fits all Rain Bird sprinklers and shrub adapters. Fine mesh filter screen maintains precise radius adjustment and protects bottom orifice from debris. A wide selection of MPR nozzles is available so the distribution of water can be tailored to meet the unique and diverse needs of your landscape. MPR nozzles are designed to provide uniform coverage, ensuring your lawn is green throughout, with no dry or brown spots. Rain Bird “The Intelligent Use of Water".