Middle Atlantic VT2-CP12 Two-Space Vented Blank Panels (12-Pieces)The VT2 CP12 Contractor Pack of 2U Vented Blank Panels (12 Pieces) from Middle Atlantic is a pack of vented blank panels designed for use in a standard 19 equipment rack. Use a blank panel to cover unsightly open space in your rack and protect your equipment from dust and other foreign debris without restricting airflow. Approximately 64% of the area on each panel face is vented to promote adequate airflow and thereby maintain low operating