This 40W LED flat panel from LumeGen is only 1.09″ thick and is a modern lighting solution for replacing fluorescent troffers, featuring a slim but heavy duty design. Designed for drop-in ceiling installation or mounted in flush mounting applications. Panel is constructed of heavy duty aluminum with a frosted lens for the best light possible. Use the optional mounting kit (LEDLEDH1000036814) to secure to walls and ceilings. Panel is 2ft. by 2ft. Comes with a surface mounting kit for easy installation. This modern lighting solution is perfect for solid walls, low basements or concrete ceilings where low profile flush mount lighting is required.