Strong, sanitary, steel-reinforced GILLIS/AMCO Plasteel Shelving have a lifetime guarantee against rust! Molded structural foam polyethylene shelves resist most acids and are easy to clean. Withstands extreme heat and cold without cracking. Shelves easily attach to sturdy epoxy-coated steel square posts without tools. Shelves adjust on 2" centers. Choose either solid shelves or vented shelving that allows air circulation and is ideal for packaged products. NSF Listed.