This Purist 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, Katalyst 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. Kohler®, 939-G-BGP, Shower Head, Single-Function, Series: 939-G, Purist® Collection, 1.75 gpm Maximum, G1/2 Connection, Round Shape, 1 Sprays, Wall Mounting, 5-1/2 in Dia Head, 3-11/16 in Overall Height, Vibrant Brushed Graphite