Upgrade your storage with our RW Base 4-Tier NSF Green Epoxy Shelving Unit. Made from resilient steel, each storage shelf supports up to 600 pounds. The green epoxy coating is corrosion-resistant, and suitable for humid settings like walk-in refrigerators or freezers. Vertical ribs ensure added stability to these wire shelves to prevent tipping. The vented design of these NSF-certified shelving units promotes air circulation and avoids dust buildup, keeping stored items fresh. With posts and 32 split sleeves, adjusting the shelf height is a breeze. Plus, the Included casters ensure that the shelves are easily movable. Each shelf measures 24 inches by 24 inches by 1.5 inches, with posts standing 74 inches tall. The casters are 5 inches in diameter. Each order includes 4 shelves, 4 posts, and 4 casters.