This is an RO water purifier that can easily and quickly turn tap water into safe and great tasting purified water. It features a slim unibody design, with no exposed pressure tank. A highly integrated piping system makes it leak-proof. As an under-sink purifier, it reduces noises as much as possible. Via a smartphone app users can keep an eye on water quality at any time. The flat and sleek exterior fits comfortably into any kitchen. As a core component, the convex storage tank is space-efficient. It also boasts ease of use.