Keep your server out of the way and safe, with the StarTech 2U 16” universal vented rack mount cantilever shelf. This shelf is vented, for maximum air circulation, to keep the temperature inside your cabinet or on the server rack, preventing overheating. Designed to be used with standard 19” server racks, this shelf offers plenty of space, while still keeping your rack tidy. | StarTech 2U 16" Universal Vented Rack Mount Cantilever Shelf (CABSHELFV)