4-Shelf Shelving Unit Dimensions: 18" x 30" x 74" Silver epoxy finish consists of a silver epoxy powder coat over a rust inhibiting undercoat. The wire shelving can be used in either wet or dry storage areas, coolers and freezers Shelves easily adjust without tools and align accurately at 1" increments. Shelf clips snap on post, allowing shelf collar to slide over for a secure fit. Reinforced shelves with welded surface ribs for added strength, 600-800 lb shelf capacity. Open design maximizes air and light circulation and minimizes dust accumulation. 4 adjustable leveling feet (with non-marring floor glides) allow compensation for uneven floors Silver EP Wire Shelving is NSF listed and comes with a limited 7 year warranty against rust and corrosion