Waterpik SM 2UC Power Sm-2Uc Original Shower Massage Showerhead, 1/2 in, 2.5 Gpm, 3-1/4 in Face Dia, 5 Spray Functions, White Original Shower Massage shower head by Waterpik 5-Mode Fixed Mount Shower head with spray control ring Spray Modes: Full body coverage, Strong pulsating massage, Light massage, Concentrated center spray, Concentrated center spray/massage Chrome finish Advanced OptiFLOW technology and 2.5 GPM for maximum water flow