The Metro AX436G4 is a durable all-plastic shelving unit designed for versatility and strength. Measuring 36"W x 21"D x 63"H, this MetroMax® 4 add-on unit features four open grid polymer shelves, each with a remarkable capacity of 800 lbs, and a total unit capacity of 2000 lbs. The shelves come with removable mats for easy cleaning and maintenance. Included are four wedge connectors for secure shelf placement, two sturdy polymer posts, and eight "S" hooks for seamless end-to-end configuration. Enhanced with Microban antimicrobial product protection, this shelving unit is ideal for environments requiring hygiene and durability. It is KD (knockdown) for easy assembly and is NSF certified for safety and quality.