The Cambro CPHU244867V4480 is a high-density mobile shelving unit designed for durability and versatility. Measuring 24"W x 48"L x 67"H, this 4-tier unit can withstand extreme temperatures ranging from -36°F (-38°C) to 190°F (88°C), making it ideal for various environments. It features four vented polypropylene shelf plates that include Camguard® antimicrobial protection, ensuring a hygienic storage solution. The unit is supported by two pre-assembled post kits made of steel with a polypropylene exterior for added strength. It comes with eight traverses and molded-in dovetails for easy assembly and stability. The high-density casters and bumpers enhance mobility and protect your surroundings. With a maximum capacity of 900 lbs., this speckled gray shelving unit is NSF certified, ensuring it meets strict public health standards.