Rain Bird 15SSTC1 Side Strip Pattern Matched Precipitation Rate Spray Nozzle, Adjustable 3' x 20' to 4' x 30' Spray Distance. Trusted for decades, Rain Bird MPR Nozzles feature Matched Precipitation Rate watering distribution technology. Nozzles with varying arcs and radii can be mixed on the same zone regardless of spray adjustment and still maintain even water distribution rates. MPR nozzles are designed to provide uniform coverage, ensuring that your lawn is green throughout. Stainless steel adjustment screw adjusts spray distance from 3' x 20' to 4' x 30'. Nozzle sprays a side strip pattern at a 30° trajectory and fits all Rain Bird pop-up sprinklers and shrub adapters. Mesh filter screen protects from clogging and maintains precise radius adjustment. Non-corrosive plastic and stainless steel construction for long life. Rain Bird “The Intelligent Use of Water".