The TOTO® Guinevere® Rectangular Undermount Bathroom Sink with CEFIONTECT features soft lines with a unique octagonal shape. The Guinevere has a generously wide basin with a concealed rear overflow. The Guinevere sink features TOTO's CEFIONTECT glaze, minimizing waste from adhering to ceramic surfaces, keeping your sink cleaner longer. The Guinevere sink is ADA compliant.