Independent clinical testing shows that PowerPulse Massage helps to soothe muscle tension, increase flexibility, and promote restful sleep94% of participants in an independent clinical study reported relief of muscle tension and stiffness within just 2 minutes of using the PowerPulse Massage sprayWaterpik PowerPulse is the FDA registered shower head with wellness benefitsUp to 2X massage force vs. other retail market shower headsDual shower with 6 + 6 spray settings with 3 shower options - hand held with hose, rainfall, or both at once5-foot hose with hand held convenienceStylish brushed nickel finishEasy to install