The Cambro CBA216084S4580 is a durable all-plastic shelving unit designed for versatility and strength. Measuring 21"W x 60"L x 84"H, this 4-tier Camshelving® Basics Plus Add-On Unit is engineered to withstand extreme temperatures ranging from -36°F (-38°C) to 190°F (88°C). It features four solid polypropylene shelf plates that include Camguard® antimicrobial protection, ensuring a hygienic storage solution. The unit comes with two composite posts equipped with leveling feet for stability, along with pre-assembled post connectors and wedges for easy setup. Included are eight traverses and four bags of eight dovetails (four each A & B) for secure shelf placement. Each shelf has a capacity of 600 lbs, with the top shelf supporting up to 400 lbs, and a maximum overall capacity of 1,800 lbs. Finished in brushed graphite, this shelving unit is NSF certified for safe use in foodservice and other environments.