Need to water ground cover, germinate seeds, or water hillsides? The Micro Sprinkler is the answer. Setting it up is a snap with the Micro Sprinkler Assembly it includes a sprinkler, riser, and heavy-duty stake, all preassembled and ready to connect to 1/4 in. supply tubing. This non-adjustable sprinkler with rotary spray emits water in a full-circle pattern at up to 23.9 GPH with a radius of up to 8.8 ft. (at 15-50 PSI). The Micro Sprinkler, also known as a Micro Sprayer, is made of polyethylene treated with UV inhibitors.