This class 1 division 2 IR7 Series Hazardous Area Light is a durable high bay style fixture. Can be used as a High Bay Fixture in Warehouses for chemical storage areas, Coal Storage , Bakeries, Grain Storage, ect. This hazardous location fixture is dual rated for areas that have class 1 division 2 and class 2 division 2 requirement for dust environments. Equipped with: 18 gauge steel, Front Access Door with 3/16 tempered glass and zinc latches. 51 inches long x 15 inches wide. Comes in 4 and 6 lamp T8 and T5HO versions. LED model Class 1 Division 2 and Class 2 Division 2 – LED Array 4 and 6 Strip versions. 5 year warranty.