Hansgrohe 26523001 Croma Select Showerhead, 2.0 gallons per Minute, Chrome 7 3/8-Inch Raindance showerhead provides generous coverage, creating a spa-like shower experience 2.0 gpm flow rate provides thorough water flow Easy DIY installation  -inch pipe connection; recommend 9-inch Raindance shower arm (#27422001) Easy-to-clean anti-lime scale silicone spray nozzles optimize water flow performance and can be quickly wiped clean Airpower technology mixes water with air to make lighter and softer water droplets that mimic the feel of natural rain