The Cambro CBA183664S4580 4-Tier NSF Polymer Shelf Kit is a versatile, space-saving solution for commercial kitchens and storage rooms. Part of the Basics Plus series, this add-on unit extends your existing Camshelving system, creating a 90-degree corner or extending shelf length. Made from durable polypropylene, it resists rust, corrosion, and warping, ensuring long-lasting performance even in high-traffic environments. With a capacity of 600 lbs. per bottom shelf and 400 lbs. on the top shelf, this unit can handle heavy loads while maintaining stability with its leveling feet and preassembled post connectors. Ideal for warewashers, walk-in coolers, or dry storage, its NSF certification adds an extra layer of reliability. If you're looking for a sturdy, scalable shelving solution that fits seamlessly into your existing setup, the Cambro CBA183664S4580 is the perfect choice for restaurants, catering businesses, and commercial kitchens.