The Cambro CBA246084V4580 Camshelving® Basics Plus 4-tier polymer shelf kit is designed to meet the demanding storage needs of commercial kitchens and restaurants. Each vented, louvered shelf promotes airflow, reducing moisture and dust buildup while providing even support for heavy bagged and boxed goods. The antimicrobial finish inhibits the growth of bacteria and mold, ensuring hygiene and longevity. This add-on shelving unit is compatible with the Basics Plus starter shelving unit, offering a total of four levels of storage with a maximum capacity of 1,800 lbs. The top shelf supports 400 lbs, while the lower shelves each hold up to 600 lbs, making it ideal for storing a wide range of commercial kitchen supplies. The unit's polymer construction and dishwasher-safe shelf plates make it easy to clean and maintain, ensuring a hygienic environment for your kitchen staff. With a temperature range of -36°F to 190°F, this shelf kit is built to withstand the harsh conditions of commercial kitchens, providing reliable storage solutions that enhance efficiency and organization.