This KOHLER Purist single-function wall-mount 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.