The KOHLER Hollister 28 in. x 22 in. Vitreous China Wall-Mount Utility Sink in White features a single-basin design with a convenient 3-hole, pre-drilled back ledge for easy installation of a faucet (sold separately). This sink's vitreous china construction helps ensure long-lasting use, and the surface resists rust, corrosion, staining and the growth of mildew to help keep your sinking looking and performing like new. 20 Gal. capacity for your convenience.