A light fixture includes a LED assembly and a housing. A first end cap is permanently connected to the troffer. A lens assembly comprises a lens covering the LED assembly and a second end cap, the lens having a first end connected to the second end cap and a second end releasably connected to the first end cap. The second end cap is releasably connected to the housing such that the lens and the second end cap are releasably mounted to the housing as a unit. The lens has a first longitudinal edge and a second longitudinal edge where a first magnetic strip is attached to the first longitudinal edge and a second magnetic strip is attached to the second longitudinal edge. The first and second magnetic strips are magnetically adhered to the housing.