Using this Brizo Kintsu Widespread Lavatory Knob with Concrete Inlay Handle Kit is easy. Just follow the included instructions for a straightforward installation. Whether you're a professional or a DIY fan, you'll find it user - friendly. When using it, turn the knobs gently to control the water flow. For maintenance, clean the knobs regularly with a soft cloth and mild soap. Avoid using abrasive cleaners as they might damage the concrete inlay or the finish. Also, check the connections periodically to ensure there are no leaks. Keep the kit in a dry environment to prevent rust and other damage. With proper care, this kit will serve you well for a long time.