Using this Brizo Beauclere Roman Tub Faucet Lever Handle Kit is easy. Just attach the handles to your tub faucet as per the standard installation process. When using, gently turn the handles to control the water flow and temperature. As for maintenance, regularly wipe the handles with a soft, damp cloth to keep them clean. Avoid using abrasive cleaners as they may damage the surface. If there are any issues, contact Brizo's customer service. Also, make sure to check the connections periodically to prevent any leaks.