Designed for commercial kitchens and restaurants, the Cambro EXA214284V4480 4-tier polymer shelf kit is a versatile add-on solution for existing Cambro shelving systems. Measuring 42" long, 21" wide, and 84" high, this unit provides 800 lbs. of shelf capacity per tier—ideal for storing heavy, frequently used supplies like containers, trays, or linens. Its vented, reinforced shelf plates promote airflow and prevent spills, while the antimicrobial Camguard protection enhances hygienic storage. Perfect for high-traffic kitchens, this NSF-certified unit withstands temperatures from -36°F to 190°F and is dishwasher-safe, making it a practical choice for professional environments. Whether you're expanding an existing shelving system or optimizing storage in a busy restaurant, this Cambro shelf kit delivers durability, functionality, and ease of cleaning—key factors for commercial kitchen efficiency.