ODIN Tempassure Thermostatic Tub/Shower For use with MultiChoice® Universal Rough Features: Independent temperature and volume control 5 3/8" round raincan showerhead featuring H2Okinetic® Technology 16" shower arm and flange 5 1/2" pull-down diverter tub spout RP74785 extension kit extends rough installation up to 1 3/4" Maximum Flow Rate 1.75 gpm @ 80 psi, 6.6 L/min @ 552 kPa