What it is: A shower head that elevates your shower experience with a proven filtration system featuring a mineral mixture. What it does: The mineral mixture combines calcium sulfide, zinc and copper to reduce free-chlorine from your shower water. The mineral mixture's process, known as Redox, reduces free-chlorine from your shower water and helps to remove any rotten egg smell, iron oxide (rust water), dirt, sediment and odors from your water for a better and cleaner shower experience. This process has not been evaluated for free chlorine reduction in the presence of chloramines.Features and benefits:- Low-maintenance spray nozzle resists scale buildup.- Seven premium spray settings provide the ultimate luxurious shower experience.- Includes matching shower arm bracket.- Includes filter that should be replaced every six months or ten-thousand gallons for optimal results. How to use: Unscrew the existing shower head from the pipe. Clean the threads. Wrap plumbers tape clockwise around pipe threads. Screw the shower head into place and flush with hot water for one minute before showering. Rated service flow is maximum two gallons per minute Filter life is 10,000 gallons or six months (whichever comes first) Max working pressure is 80 pounds per square inch Max operating temperature is 120°F