The Cambro CBU213064S4580 is a durable all-plastic shelving unit designed for versatility and strength. Measuring 21"W x 30"L x 64"H, this 4-tier Camshelving® Basics Plus Starter 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 equipped with Camguard® antimicrobial protection, ensuring a hygienic storage solution. The unit includes four composite posts with leveling feet for stability, pre-assembled post connectors and wedges for easy assembly, and eight traverses for secure shelf placement. Each shelf can hold up to 600 lbs, with a maximum capacity of 1,800 lbs, making it ideal for heavy-duty storage needs. Finished in brushed graphite, this shelving unit is NSF certified for safety and quality.