Using your CADDENCE Brushed Gun Metal Mixer is a breeze. Just turn the pin handle to adjust the water flow and temperature. It's that simple! When installing, make sure to use the provided complete attachment sets and accessories. Ensure the basin hole diameter is between 35mm - 50mm. For maintenance, wipe the mixer with a soft cloth regularly to keep its brushed gun metal finish looking great. Avoid using abrasive cleaners as they may damage the surface. If you have any issues, don't worry, it comes with a 15 - year warranty and a 2 - year labor warranty, so you can contact us for help.