QUANTUM STORAGE SYSTEMS Millenia Gray 4-Tier Rust Proof Plastic Polymer Vented Industrial Shelving Unit (21 in. W x 62 in. H x 72 in. D) QP217262VS-4 - The Home Depot

This 4-tier standing wire shelving unit has four shelves and is made of chrome-plated carbon steel for strength, durability, and to resist dirt buildup and corrosion. Its open wire design offers visibility of contents, permits air circulation in the work environment, and helps resist dust build-up. The shelves adjust in 1 in. increments to accommodate items of varying heights, and have a welded construction reinforced with wire trusses and struts for strength