StarTech.com 4U Blank Panel for 19 inch Rack, Rack Mount Blanking Panel for Server/Network Racks & Cabinets, 4RU Rackmount Filler Panel/Spacer/Plates, Solid Panel, Cold-Rolled Steel, Black

4U Blanking Panel (RKPNL4U) - Rack blanking panel - black - 4U - 19"