Greenwich 20-3/4 In. X 18-1/4 In. Wall-Mou From the Manufacturer When your lavatory needs to stand up to rigorous use, depend on premium KOHLER materials. Crafted of vitreous china with our exclusive KOHLER glaze, this Greenwich wall-mount lavatory will provide a lifetime of beauty and reliable performance. Its remarkably hard, glossy finish protects the surface for a clean, sanitary sink that maintains its shine under repeated use. This model has drillings for a concealed arm carrier, a faucet with 4-Inch centers and includes a wall hanger.