Drink pure water with the RKIN U1 sleek water filter system. With a compact and space-saving 4-in-1 design, this device uses reverse osmosis, UV, and hydrogen technologies. So it provides you with filtered water that has antioxidant properties. Moreover, its 5-stage filter system includes a sediment filter, an activated carbon filter, a reverse osmosis membrane filter, an alkaline post-filter, and a hydrogen infuser. Its zero-installation design sets up in an instant on your countertop—just fill the supply tank with tap water. Additionally, it has a water cooler to provide cold filtered water. And its water kettle offers customizable hot filtered water. Transforming your ordinary tap water into delicious and healthy drinking water, it also has an elegant design you’ll be proud to show off. Overall, the U1 removes up to 99% of contaminants, including fluoride, chlorine, heavy metals, and more.