The **Cambro CBU214864S4580 4-Tier Polymer Shelf Kit** is a versatile, **NSF-rated** storage solution designed for demanding commercial kitchens and restaurants. This **48" x 21" x 64" unit** features **four solid polypropylene shelves**, each engineered to maximize durability and stability. With a **full-load capacity of 1,800 lbs**—including a **600 lb capacity per lower shelf** and **400 lbs on the top shelf**—this shelving unit is built to withstand heavy-duty use in walk-in coolers, freezers, dishrooms, and pantries. Its **temperature resistance (-36°F to 190°F)** ensures reliable performance in extreme environments, while **leveling feet** prevent wobbling on uneven surfaces, protecting stored items from damage. Treated with **Camguard antimicrobial agent**, this shelf kit meets **food safety standards** and resists contaminants, making it an essential addition to any professional kitchen. Whether you need **warewasher-safe shelf plates** or **preassembled post connectors**, this **Camshelving® Basics Plus** unit delivers **long-lasting, low-maintenance storage** that enhances workflow efficiency without compromising on quality. Ideal for **restaurant supply chains, catering kitchens, and commercial food service operations**, this **Cambro shelf** combines **strength, versatility, and NSF compliance** to meet the needs of modern culinary professionals.