Maximize storage in cramped commercial kitchens with the **Cambro CBA244872S4580 48" 4-Tier Polymer Shelf Kit**—a premium add-on unit designed to integrate seamlessly with the **Camshelving® Basics Plus starter unit**. Ideal for restaurants, cafeterias, and foodservice operations, this **NSF-certified** shelving solution offers **600 lbs of capacity per lower shelf** and a **total unit capacity of 1,800 lbs**, making it perfect for heavy-duty storage needs. Its **polypropylene construction** ensures durability in extreme temperatures (-36° to 190°F), making it safe for use in dishrooms, coolers, freezers, and pantries. The **brushed graphite gray finish** blends effortlessly with the starter unit, while **dishwasher-safe shelf plates** and **composite posts with leveling feet** enhance functionality and stability, even on uneven surfaces. Whether configuring a **T, L, or U shape**, this add-on unit provides **flexible, modular storage** for busy kitchens without sacrificing space or aesthetics. For restaurant professionals prioritizing **efficiency, durability, and space optimization**, the Cambro 48" Polymer Shelf Kit is the ideal choice for **commercial kitchen storage**.