Maximize your commercial kitchen storage with the **Cambro CPA212472S4480 4-Tier Premium Polymer Shelving Unit**, the ideal add-on for expanding your existing Premium Camshelving® system. Designed for durability, this **24" x 21" x 72" polymer shelving unit** adds four sturdy tiers of storage while maintaining a sleek, professional appearance. Each shelf holds **800 lbs**, with the entire unit supporting **2,000 lbs**, making it perfect for busy kitchens, freezers, coolers, and dishrooms. Its **dishwasher-safe shelf plates** and **Camguard antimicrobial agent** ensure hygiene and longevity, while its temperature resistance (-36°F to 190°F) allows it to thrive in even the harshest environments. Whether you need to organize dry goods, pantry items, or small equipment, this shelving unit provides a **space-saving solution** that integrates seamlessly with your existing storage system without requiring removal.