This Memoirs Classic 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. MasterClean™ spray nozzles prohibit mineral build-up. 66 individual spray nozzles. Katalyst® air-induction technology maximizes the air/water mix for a powerful, even flow. Complements Memoirs® Suite 2.5 gal/min (9.5 l/min) flow rate. 1/2" - 14 NPT connection.