The LE551 Series is designed for environments having explosive atmosphere's including locations containing deposits of readily combustible paint residues. The LE551 comes in a variety of lumen options and is available as a 2 ft., 2 row or a 4 ft., 2, 3 or 4 row fixture. The fixture comes standard with 5 hub entries at each end to provide flexibility in wiring and mounting along with directional lighting.