Sandusky Lee WS201232-B Industrial Welded Wire Shelving, 20" Width x 32" Height x 12" Depth, Black Strong and durable welded wire construction with open design permits sprinkler, air and light penetration and reduces dust build-up Includes four shelves that easily adjust in 1-inches increments Adjustable levelers for uneven flooring Units are easy to assemble in just minutes without tools NSF certified