This offer is for 25 Half Circle Rainbird 15 MPR Series Fixed Pattern Nozzles w/ Screens. MPR Series Fixed Pattern Spray Nozzles Matched Precipitation Rate Nozzles Trusted for decades, this Rain Bird MPR Nozzle simplifies the design process by allowing sprinklers with various arcs and radii to be mixed on the same zone while maintaining even water distribution rates. This allows them to spray an equal distance, and to provide an equal amount of water to a given area. We carrry a wide selection of MPR nozzles 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 that your lawn is green throughout, with no dry or brown spots.