Kohler R22475-4D-BN is a single-control bathroom sink faucet that is designed for durability and ease of use. It features a one-piece, self-contained ceramic disc valve that allows for precise control of both water volume and temperature. The faucet is constructed with premium materials and is available in a variety of finishes to complement any bathroom décor. The Kohler R22475-4D-BN is also WaterSense®-labeled, meaning that it uses at least 45% less water than standard faucets while still meeting strict performance guidelines. This can help to save water and reduce your utility bills.