The Metro MQ-212474G-A-4 is a versatile add-on shelving unit designed for durability and efficiency. Measuring 24"W x 21"D x 74"H, it features four quick-adjust shelves equipped with removable polymer open-grid shelf mats, allowing for easy cleaning and maintenance. The unit is supported by epoxy-coated one-piece steel frames and two sturdy polymer posts, ensuring stability and strength. Enhanced with Microban antimicrobial product protection, this shelving unit helps inhibit the growth of bacteria, promoting a cleaner environment. Each shelf includes two "S" hooks for added convenience. This unit is also NSF certified, making it suitable for various commercial and industrial applications.