Killark MBL4030 - The MBL Series is a compact low bay energy efficient LED. The design of the MBL makes it suitable for harsh and hazardous environments using a cast copper-free aluminum. Its low profile and compact design allow the MBL to fit in areas where larger fixtures would not fit while still supplying high quality illumination. - Class I, Division 2, Groups A, B, C, D - Class I, Zone 2, Groups IIC, IIB, IIA - Class II, Divisions 1 & 2, Groups E, F, G - Class III, Divisions 1 & 2