Howard Lighting HB-400-MH-4T 400W Metal Halide High Bay Fixture Head With Lamp UL Listed 400W Metal Halide High Bay Head and Lamp only - no reflector or lens For use with 400 watt Metal Halide Probe Start Lamp Only (M59E) For use with E-Rated (Enclosed rated) Lamps Only Fixture was built before 1/1/2009 and so is Exempt from EPACT Requirements 120/208/240/277 VAC Input