This showerhead features Moen's self-pressurizing Immersion" technology, which channels water through the showerhead with three times more spray-power than most rainshowers. This is a two-function showerhead, with your choice of a concentrated rinse or full spray. Measures 8" in diameter. Flow rate is 2.5 gpm (9.5 L/min.). Part #S6320. Limited lifetime warranty. Made in the USA.