The complete Aloha shower system replaces your existing showerhead in minutes. Enjoy the pulsating body jets, soothing 8 in. rain showerhead or convenient multi-function hand shower. Simply choose the function you desire via the conveniently located brass diverter. Each function operates independently or in tandem with either of the other two functions. Specifically designed to make installation and usage a breeze, the Aloha is a welcome addition to your daily routine. Typical install is less than 1 hour-even for the do it yourselfer. It simply connects to the water supply at your existing showerhead location and uses your existing hot/cold shower valve.