Gilmour Metal Turbine Sprinkler 9836Z Water coverage up to 3600 sq. ft. (55 ft. X 66ft.) Heavy-duty rust resistant one piece die cast zinc construction - made to last. Swivel nut for easy connection to hose. Threaded tube tip for cleaning spray jets. 19 solid brass jets set into an aluminum tube for dependability and long life. Works at water pressures ranging from 15 PSI to 150 PSI. Metal filter washer prevents clogging.