GE ED28 Cool White Mogul Base (e-39) Metal Halide Light Bulb in the General Purpose Light Bulbs department at Lowes.com
Feit Electric 175-Watt ED17 Shape Clear Metal Halide High Intensity Discharge E26 Medium Base HID Light Bulb (12-Pack) MH175/U/MED/HDRP/12 - The Home Depot
70 Watt F-Can Metal Halide Ballast | idusem.idu.edu.tr
72C5581 Advance Metal Halide F-Can Ballast | 175W M57 Fcan
Unviersal M175MLTAC3M-500K - 175 Watt - 120-277 Volt - Metal Halide Ballast | CityLightsUSA.com