The FEB1MP Master Pack of 1U Flat Blank Panels (50 Pieces) from Middle Atlantic is a blank panel that is designed for use in a standard 19" equipment 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 steel with flat edges, features a black power-coat finish, and occupies 1U of rack space. This unit is a special master pack intended for those whose work requires the purchase of panels in bulk.