KOHLER Iron Plains 21 in. Oval Vessel Cast Iron Bathroom Sink in White with Black Painted UndersideKOHLER Iron Plains Oval Vessel Sink The KOHLER Iron Plains Vessel Sink is an elegantly designed cast iron sink that combines timeless style with superior durability. Its dual color design, featuring a classic white enamel top and a striking black painted underside, offers a unique aesthetic that blends seamlessly with modern or transitional bathroom dcor. This versatile sink can be installed as a vessel, drop in, or under mount, catering to various