Tripp Lite SmartRack 2U Cantilever Toolless Mount Fixed Shelf (50 lbs /22.7 kgs capacity; 18 in./457 mm Deep), 2U Rack Height x 19" Rack Width, Rack-mountable, Black, Cold-rolled Steel (CRS)

Tripp Lite's SRSHELF2PTM allows you to add a shelf to a 4-post rack to accommodate tower UPS systems, monitors or any other equipment that is not rackmounted. The unit supports 50 lb with an 18-in. depth. For peace of mind, the SRSHELF2PTM comes with a 5-year warranty.