The Cambro CBA185484V4580 is a durable all-plastic shelving unit designed for versatility and strength. Measuring 18"W x 54"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 vented polypropylene shelf plates that include Camguard® antimicrobial protection, ensuring a hygienic storage solution. The unit comes with two composite posts equipped with leveling feet, pre-assembled post connectors and wedges, eight traverses, and four bags of dovetails (four each of A & B). Each shelf can support up to 600 lbs., with a maximum capacity of 1,800 lbs. The brushed graphite finish adds a sleek look while meeting NSF standards for safety and sanitation.