Purist 2.0 GPM Single Function Showerhead with Katalyst Spray Conservation doesn't have to mean sacrifice.The Purist traditionally-styled 2.0 gpm showerhead utilises Katalyst air induction technology to deliver an invigorating spray experience while saving up to 20% water consumption.2.0 gpm flow rate, saving up to 20% water consumption vs.conventional 2.5 gpm showerheads WaterSense compliant and satisfies the water efficiency requirement for LEED certification Katalyst air-induction technology maximises every water drop by infusing air into the water stream for a fuller, more powerful spray Optimised sprayface features a new nozzle geometry that delivers a more focused coverage of large water droplets that both minimises wasteful overspray and increases cleaning and hair rinsing performance MasterClean(TM) sprayface resists hard water buildup and is easy to clean New translucent nozzle colour provides improved visual aesthetics with all available finishes The KOHLER Purist showerhead coordinates with other Purist faucets and accessories to complete your design solution KOHLER finishes resist corrosion and tarnishing, exceeding industry durability standards two times 1.3cm - 14 NPT connexion