Rain Bird 42SA Rotor Sprinkler, 4 Pack: * Top adjust watering arc adjustment requires only a flat head screw driver * Comes with a pre-installed 3.0 Rain Curtain nozzle * Removable filter screen for easy maintenance * Easy adjust arc and radius adjustment * 4" pop-up to clear tall grass * Water lubricated gear drive operation * Spray adjusts 26"-38" * Quiet operation * Value and convenience for any home landscape