The Cambro CPU214864VS4480 is a durable and versatile shelving unit designed for optimal storage solutions. Measuring 21"W x 48"L x 64"H, this 4-tier Camshelving® Premium Starter Unit is built to withstand extreme temperatures ranging from -36°F (-38°C) to 190°F (88°C). It features three vented and one solid polypropylene shelf plates, all equipped with Camguard® antimicrobial protection to ensure a hygienic environment. The unit includes two pre-assembled post kits made of steel with a polypropylene exterior for added strength and stability. With eight traverses and molded-in dovetails, assembly is straightforward. Each shelf can support up to 800 lbs, with a total maximum capacity of 2,000 lbs, making it ideal for heavy-duty storage needs. Finished in a speckled gray color, this shelving unit is NSF certified for safety and quality.