Star product upgrade] G3 800 GPD reverse osmosis system with UV light is the upgrade version of Waterdrop's star product G3. It satisfies water needs for large household and small business. Drinking water has never been so pure with improved filtration performance. Featuring breakthrough water-saving technology, it saves 12 times more water. [Improved filtration performance] Powerful 3-stage filters plus 7-layer of RO membranes reduce chlorine, heavy metals, and other contaminants present in water. We also add a layer of scale inhibitor which inhibits water scale effectively. [Advanced LED light] The new tech LED chip effectively reduces up to 99.9% of bacteria and viruses. The new LED material we adapted is harm-free compared to mercury UV sterilizer. It works only when water passes, saving more energy. [Save more water] This RO system adopts advanced water dispensing technology, saving 12 times more water than traditional RO system. It uses up just a cup of wastewater for every three cups of filtered water produced. [Visible water quality] This reverse osmosis system is equipped with multiple smart functions. TDS monitor displays water quality, while the filter life tracker shows remaining filter life. You can enjoy an improved water-using experience.