Industrial Add-On Unit, Four-Shelf, 36w x 18d x 72h, Steel, Metallic GrayThe Industrial Add On Unit is a heavy duty storage solution designed to expand your existing shelving system with extra strength welded wire construction for maximum durability and support. Ideal for office storage, warehouses and commercial spaces, its open wire design allows for better air circulation, helping to keep stored items fresh while minimizing dust accumulation. The adjustable wire shelves, which move in 1 inch increments, provide a