The Cambro CPU215464VS4480 is a durable and versatile shelving unit designed for optimal storage solutions. Measuring 21"W x 54"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 polypropylene shelf plates and one solid shelf, all equipped with Camguard® antimicrobial protection to ensure a hygienic storage environment. The unit includes two pre-assembled post kits made of steel with a polypropylene exterior for added strength and durability. With eight traverses and molded-in dovetails for easy assembly, each shelf can support up to 800 lbs, with a total maximum capacity of 2,000 lbs. The speckled gray finish adds a professional touch, and the unit is NSF certified for safety and quality.