. The CABSHELF22V 2U 22in Depth Vented Rack Mount Shelf lets you add a compact 2U shelf to virtually any standard 19-inch server rack or cabinet with front mount options.Our vented rack shelves improve air flow and help to lower temperatures in the rack. Constructed using SPCC commercial grade cold-rolled steel this durable fixed rack shelf can hold up to 22kg (50lbs) of equipment - a perfect solution for storing small non-rackmount equipment tools peripherals or accessories in your rack to keep them readily accessible.Backed by a StarTech.com Lifetime warranty. Vented server rack shelf improves air flow and helps lower temperatures in the cabinetUniversal 19 rack design makes it simple to add a storage shelf to almost any rack or cabinetDurable steel construction holds up to even the harshest industrial environments. .