This Forté single-function showerhead brings innovation to your bathroom with Katalyst, a cutting-edge technology that intensifies the flow of water for a completely indulgent showering experience. With a new nozzle pattern, internal waterway design, and air-induction system, this technology maximizes every water drop and creates a richer, more intense flow of water that heightens the shower's sensory experience. By infusing two liters of air per minute, Katalyst delivers a powerful, voluptuous spray that clings to the body with larger, fuller water drops. Minimizes wasteful overspray and increases cleaning and hair-rinsing performance. 2.5 gpm (gallons per minute) flow rate. Single function showerhead with 66 nozzle 5-1/2" (140 mm) diameter spray face. Katalyst® air-induction technology maximizes the air/water mix for a powerful, even flow. Optimized sprayface for maximum performance. MasterClean™ sprayface nozzles are easy to clean. 1/2-inch NPT connection. Coordinates with Forté® faucets and accessories. Showerarm and flange not included. Wall-mount KOHLER finishes resist corrosion and tarnishing.