Using the Brizo Invari 12 1/8 - inch Arc Shower Arm and Flange is easy. First, make sure your existing shower fixture is standard and compatible with the 1/2 - inch NPT threads of this shower arm. Then, simply screw the shower arm onto the fixture. Next, attach your preferred showerhead. When using, enjoy the smooth water flow and the elegant look it brings to your shower. For maintenance, regularly wipe it with a soft, damp cloth to keep it clean and prevent water spots. Avoid using harsh chemicals or abrasive cleaners as they may damage the finish. Also, check the connections periodically to ensure there are no leaks. With proper care, this shower arm and flange will serve you well for a long time.