A shower arm is guaranteed to give you a better shower experience and can fit all types including rainfall, handheld, square, and any other US standard showerheads. Easy installation and can be installed anywhere you wish. A perfect mount for any showerhead for all bathrooms. Installation Guide 1. Turn off the water from the main supply 2. Unscrew the old shower arm from the wall 3. Clean the inside thread with a brush 4. Apply a few turns of Polytetrafluoroethylene tape on the new shower arm thread 5. Screw in the shower arm to the pipe 6. Insert escutcheon plate (if loose use plyers to tighten the back of the flange or use sealant around the arm where the flange is going to stay to hold it and water seal) 7. Apply a few turns of Polytetrafluoroethylene tape to the other side of the shower arm for shower head installation.