The Cambro EXMU215478V5480 is a durable all-plastic shelving unit designed for versatility and strength. Measuring 21"W x 54"L x 78-1/4"H, this 5-tier Camshelving® Elements XTRA Mobile Unit is engineered to withstand extreme temperatures ranging from -36°F (-38°C) to 190°F (88°C). It features five vented reinforced polypropylene shelf plates that incorporate Camguard® antimicrobial protection, ensuring a hygienic storage solution. The unit includes four composite posts, pre-assembled post connectors and wedges, ten universal traverses, and five bags of dovetails (10 left, 10 right) for easy assembly. Equipped with four premium swivel casters with a total locking brake, it offers mobility and stability. With a maximum capacity of 900 lbs., this speckled gray shelving unit is NSF certified, making it ideal for various commercial environments. Please note that this product line is not compatible with original Elements Series products.