The Cambro CBU215464V4580 is a durable all-plastic shelving unit designed for versatile storage solutions. Measuring 21"W x 54"L x 64"H, this Camshelving® Basics Plus Starter Unit features four tiers that can withstand extreme temperatures ranging from -36°F (-38°C) to 190°F (88°C). It includes four vented polypropylene shelf plates equipped with Camguard® antimicrobial protection, ensuring a hygienic storage environment. The unit is supported by four composite posts with leveling feet for stability, along with pre-assembled post connectors and wedges for easy setup. It comes with eight traverses and four bags of eight dovetails (four each A & B) for secure shelf placement. Each shelf has a capacity of 600 lbs. (400 lbs. for the top shelf), with a maximum weight capacity of 1,800 lbs. Finished in brushed graphite, this shelving unit is NSF certified for safety and quality.