Rain Bird 15CSTC1 Center Strip Pattern Matched Precipitation Rate Spray Nozzle, Adjustable 3' x 20' to 4' x 30' Spray Distance, 30° Trajectory. 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, with no dry or brown spots. Non-corrosive plastic and stainless steel construction for long life. Stainless steel adjustment screw adjusts flow rate from 0.89 to 1.21 gallons per minute and spray distance from 3' x 20' to 4' x 30. "Captured" screw slot prevents screwdriver slippage during adjustment. Nozzle sprays a center strip pattern at a 30° trajectory and fits all Rain Bird pop-up sprinklers and shrub adapters. White medium mesh filter screen protects from clogging and maintains precise radius adjustment. 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. Other 15’ MPR nozzle patterns available (sold separately): square (15SQC1), end strip (15ESTC1), side strip (15SSTC1), 1/3 circle (15TC1), 2/3 circle (15TTC1), 3/4 circle (15TQC1), 360° full (15FC1), 180° half (15HC1), 90°quarter (15QC1), 0 to 360° adjustable (15AP). Rain Bird “The Intelligent Use of Water"