The Cambro CBA183072V4580 is a durable all-plastic shelving unit designed for versatility and strength. Measuring 18"W x 30"L x 72"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 vented polypropylene shelf plates that incorporate Camguard® antimicrobial protection, ensuring a hygienic storage solution. The unit includes two composite posts with leveling feet for stability, pre-assembled post connectors and wedges for easy setup, and eight traverses for secure shelf placement. Each shelf has a capacity of 600 lbs, with the top shelf supporting up to 400 lbs, and a total maximum capacity of 1,800 lbs. Finished in brushed graphite, this shelving unit is NSF certified, making it ideal for commercial and industrial use.