The Cambro CPA214272S4480 is a versatile Camshelving® Premium Add-On Unit designed for durability and efficiency. Measuring 21"W x 42"L x 72"H, this 4-tier shelving unit is built to withstand extreme temperatures ranging from -36°F (-38°C) to 190°F (88°C), making it ideal for various environments. It features four solid polypropylene shelf plates equipped with Camguard® antimicrobial protection, ensuring a hygienic storage solution. The unit includes a pre-assembled post kit, with steel posts featuring 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. The speckled gray finish adds a professional touch, and the unit is NSF certified for safety and quality.