21"d Silver EP Wire Shelving with 4 Shelves Designed to withstand dry, wet, and freezing environments, you can trust that this shelving unit is quite capable of handling all of your storage needs. Open design maximizes air and light circulation, visibility Epoxy powder coating resists rust and corrosion 4 reinforced shelves with welded surface ribs Shelves easily adjust at 1" intervals along posts 24-48"w shelves hold up to 800 lbs each, evenly distributed 54-72"w shelves hold up to 600 lbs each, evenly distributed Ideal for dry, wet, cooler, and freezer storage NSF approved for dry/wet applications Limited 7-year warranty against rust and corrosion Availability: Usually Ships in 3-5 Business Days