Sprinkler covers up to 3,600 square feet. Heavy-duty zinc one piece die-cast construction. 19 solid brass spray jets set into aluminum spray tube. Quiet state-of-the-art water turbine drive motor. Width adjusting levers for changing side to side coverage. Works at water pressure from 15 PSI to 150 PSI, threaded tube tip for cleaning spray jets. Swivel nut for easy connection to hose, metal filter washer prevents clogging.