This Memoirs single-function showerhead brings substantial water savings to your bathroom with a 1.75 gpm flow rate, combined with Katalyst technology 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. Katalyst™ Spray Technology with air induction ball joint (patent pending). Optimized sprayface for maximum performance. MasterClean™ spray nozzles prohibit mineral build-up for easy cleaning. 1/2" -14 NPT connection. Single-function showerhead with Katalyst™ Spray Technology. 5-1/2"(140 mm) diameter sprayface. 1.75 gal/min (6.6 l/min) maximum flow rate.