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This Millenia™ 48" x 24" x 74" 4‑Tier Add‑On Shelving Unit delivers premium, high‑capacity storage with the superior durability and cleanliness the Millenia™ Polymer Shelving System is known for. Designed for maximum versatility, it performs flawlessly in wet, humid, or dry environments - making it ideal for food service, healthcare, supermarkets, walk‑in coolers, and other demanding applications. This configuration features three vented shelves that promote superior airflow to reduce moisture buildup, paired with a solid bottom shelf that helps contain spills and protect stored items from floor contact. With its generous 48" width, this add‑on unit integrates seamlessly with existing Millenia™ shelving runs, expanding your storage capacity while maintaining a clean, organized footprint. Engineered to guarantee a premium storage solution, it combines strength, sanitation, and long‑lasting performance to keep your operation running efficiently.