Pyle 2-Pc 1U Server Rack Shelf, Vented Shelves for Good Air Circulation, Cantilever Mount, Wall Mount Rack, Universal Device, Cabinet Shelf, Computer Case Mounting Tray, Black-Pyle PLRSTN14UX2 –

This 1U rack shelf, with dimensions 17.6” x 10.0” (L x W) and 19.0” x 10.0” x 1.7” (L x W x H) including brackets, fits most network or wall-mounted racks, ensuring proper airflow to keep your equipment cool.