Streamline your storage with the RW Base 4-Tier NSF Green Epoxy Shelving Unit. Made from sturdy steel, each storage shelf can support up to 450 pounds. The green epoxy coating provides corrosion resistance, perfect for damp areas like walk-in fridges or freezers. Featuring vertical ribs, these shelves add stability to these NSF-certified wire shelves to prevent tipping. Build with a vented design, these shelving units ensure air circulation and reduce dust buildup, maintaining the freshness of stored items. For adjustable shelf heights, the included posts have 32 split sleeves. The included casters enable easy mobility. Each shelf measures 18 inches wide, 36 inches long, and 1.5 inches high, while the posts are 74 inches tall. Casters are 5 inches in diameter. Each order includes 4 shelves, 4 posts, and 4 casters.