The Advantage 1D by Ozark River Manufacturing Co. is a self-contained, portable hot water handwashing sink. The Advantage 1D 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 5" 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 1D sink features a millwork countertop, and deep single stainless steel basin.