Elevate your commercial kitchen storage with the Cambro CBA183084S4580 30" NSF 4-Tier Polymer Shelf Kit from the Camshelving® Basics Plus series. Designed for durability and versatility, this add-on unit attaches to existing Cambro shelving to expand storage capacity without sacrificing space efficiency. Its four solid polypropylene shelves resist corrosion, rust, and extreme temperatures (-36°F to 190°F), making it ideal for high-traffic commercial kitchens, warehouses, and food service environments. The kit includes two composite posts with adjustable feet, ensuring stability and level alignment with adjoining units, while preinstalled post connectors and wedges simplify assembly. Perfect for extending straight shelving or creating a 90-degree corner, this NSF-rated shelf supports a total capacity of 1,800 lbs (400 lbs on the top shelf, 600 lbs per bottom shelf), providing robust storage for heavy-duty restaurant equipment. Its warewasher-safe shelf plates meet rigorous cleanliness standards, making it a practical choice for professional kitchens prioritizing hygiene and longevity. Whether you're outfitting a new restaurant or upgrading existing storage, the Cambro CBA183084S4580 delivers reliable, space-saving solutions tailored to the demands of commercial kitchens.