Elegant rainbow water drops in your house! Various colors and beautiful water drop designs improve the atmosphere in your home. An ultra-fine copper fiber filter approved in Japan for its sterilizing performance was employed. While metals such as silver or copper have a slight sterilizing effect, the ultra-fine copper fiber filter maximizes sterilization with a surface area significantly larger than other metals. Simple one-touch button - a single button for all functions (ON / OFF, Low, Normal, High). Geomantic interior. The water drops may compensate for the energy of fire in artificial interior materials.