This 50W 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 application. Panel is constructed of heavy duty aluminum with a frosted lens for the best light possible. Use the optional mounting kit (LEDLEDH1000036816) to secure to walls and ceilings. Comes with a surface mounting kit for easy installation. This fixture is 2ft by 4ft in size. This modern lighting solution is perfect for solid walls, low basements or concrete ceilings where low profile flush mount lighting is required.