ADVANCE HID Ballast: 1 Bulbs Supported, 150 W Max. Bulb Watts, Pulse, 120/277V AC, Metal Halide - 4HGK7|IMH-150-H-BLS - Grainger
Advance e-Vision® IMH70GLFM Electronic HID Fixed Output Metal Halide Ballast, HID Metal Halide Lamp, 70 W Lamp, 120 to 277 VAC, Pulse, 1 Ballast Factor | State Electric