With an 8" face, the Storm provides complete coverage and a very natural feeling experience as water rains down from above. The 9" extension arm makes it easy to adjust the height and spray angle so family members can each have the shower experience they want. It uses significantly less water than other rain-type showerheads and is WaterSense certified. Despite using less water, the Storm is equipped with Oxygenics technology that gives it a strong, powerful spray. Installation takes only minutes, and the Storm is guaranteed for life never to clog or fail.