•Independent clinical testing shows that PowerPulse Massage helps to soothe muscle tension, increase flexibility, and promote restful sleep •94% of participants in an independent clinical study reported relief of muscle tension and stiffness within just 2 minutes of using the PowerPulse Massage spray •Waterpik PowerPulse is the FDA registered shower head with wellness benefits •Up to 2X massage force vs. other retail market shower heads •Dual shower with 6 + 6 spray settings with 3 shower options - hand held with hose, rainfall, or both at once •Spray settings-Full Body, Full Body+Massage, PowerPulse Massage, PowerSpray, PowerSpray+Massage, and Water-Saving Trickle •5-foot hose with hand held convenience •Stylish brushed nickel finish •Easy to install With this Brushed Nickel Waterpik PowerPulse 6+6 Dual Shower Head XET-639E/649E and 3-way diverter, you can choose the convenience of a hand held shower head, the relaxing full body coverage of the large rainfall shower head, or both at the same time.Both the hand held shower head and the rain shower head offer 6 different spray settings, for a total of 12 spray modes. Choose to renew, refresh, and rejuvenate with this variety of spray options, which includes our patented PowerPulse therapeutic-strength massage spray.PowerPulse shower heads are clinically shown to help soothe muscle tension, increase flexibility, and promote restful sleep. Now you can enjoy therapeutic strength massage in the comfort an