The Cambro CPU214872VS4480 is a premium 4-tier shelving unit designed for durability and versatility in various environments. Measuring 21"W x 48"L x 72"H, this unit features a robust construction that can withstand temperatures ranging from -36°F (-38°C) to 190°F (88°C). It includes three vented polypropylene shelf plates and one solid shelf plate, all equipped with Camguard® antimicrobial protection to ensure cleanliness and safety. The unit is supported by two pre-assembled post kits made of steel with a polypropylene exterior, providing strength and stability. With a capacity of 800 lbs. per shelf and a maximum capacity of 2,000 lbs., this speckled gray shelving unit is NSF certified, making it ideal for commercial kitchens, storage areas, and more.