The IMC/Teddy SSS-5421-4L is a heavy-duty louvered slotted shelving unit designed for security and durability. This 4-shelf unit measures 54"W x 21"D x 61"H and is constructed from 14-gauge welded stainless steel, ensuring long-lasting strength and resistance to corrosion. The louvered design promotes airflow, making it ideal for storing sensitive items. NSF certified, this shelving system meets strict public health standards, making it suitable for commercial and industrial environments.