The Advantage S1D by Ozark River Manufacturing Co. is a self-contained, portable hot water handwashing sink. The Advantage S1D is NSF certified and designed to comply with state and local handwashing codes by placing handwashing at the point of contact. Each Ozark River portable sink dispenses instant hot water, includes swivel casters, quick connect water tanks and is out of the box ready. Ozark River Manufacturing Co portable hand sinks are recognized and awarded for their durability, quality, safety, and cost effectiveness. Each Advantage S1D sink features a stainless steel countertop, and a deep single stainless steel basin.