What It Is:Elevate your shower experience with the T3 Source Handheld Showerhead. The proven filtration system is a mineral mixture combining calcium sulfide, zinc and copper to reduce free-chlorine from your shower water.What It Does:The process, known as Redox, also helps to remove rotten egg smell, iron oxide (rust water), dirt, sediment and odors from your water for a better and cleaner shower experience. Rated Service Flow: Max 2.0 gallons per minute Filter Life: 3,000 gallons or 3-4 months (whichever comes first) Max Working Pressure: 80 pounds per square inch Max Operating Temperature: 120F Anti-Scaling: Low maintenance spray nozzles resist scale buildup 7 Premium Spray Settings: Provide the ultimate luxurious shower experience Accessories: Include matching shower arm bracket and 59-78" extendable hose Filter ($15 value): Should be replaced every 3-4 months (or 3K gallons) for optimal resultsHow To Use It:Unscrew existing showerhead from pipe. Clean the threads. Wrap plumbers tape clockwise around pipe threads. Screw the arm bracket onto the shower pipe. Connect the hose to the bottom of the arm bracket. Screw the handheld to the hose. Place handheld into the arm bracket. Flush with hot water for 5 minutes before showering.