The Cambro CPU215484S4PKG is a durable and versatile shelving unit designed for commercial use. Measuring 21"W x 54"L x 84"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 four solid polypropylene shelf plates that incorporate Camguard® antimicrobial protection, ensuring a hygienic storage solution. The unit includes two unassembled 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 maximum capacity of 2,000 lbs. The speckled gray finish adds a professional touch, and the unit is NSF certified for food safety.