The WCT4-1872-74 Jaken Chrome Wire Add-On (SKU: JK-WCT4-1872-74) is engineered for optimal airflow and visibility with its open-wire design. Measuring 18"D x 72"W x 74"H, this durable chrome-plated unit easily connects to compatible starter shelving units. Its adjustable shelves allow for flexible storage, making it ideal for warehouses, retail stockrooms, and laboratories where modular expansion and corrosion resistance are essential.