The Sanus Systems CAABP2 is a 2U flat blank panel that is designed to maintain consistent airflow to prevent improper cooling or heating of AV components inside a rack. Use this panel to cover unsightly open space in your rack and protect your equipment from dust and other foreign debris. This panel is constructed of aluminum with flat edges and features a durable anodized finish. It occupies 2U of rack space. It is easy to assemble and all hardware is included.