Product details:

Thr Open Rack Equipment Shelf Non-Ventilated is designed to fit 19 wide panel spaces and 5.25 panel height. The shelf is constructed of a single piece of 16 gauge steel and flanged for added support. Overall measurements are 17.62 W x 15 D. The SA-1750-MG is non-ventilated and includes all mounting hardware. Supports 150 pounds and is finished in metallic gray.