Universal Core and Coil Ballast Kit For 400W Metal Halide Lamp 120V to 480V | P400ML5AC4M500K | Bulbs.com
Feit Electric 400-Watt ED28 Shape Clear Metal Halide High Intensity Discharge E39 Mogul Base HID Light Bulb (1-Bulb) MH400/U/ED28/HDRP - The Home Depot
Sylvania 64036 M400/U/ED37 | HID Metal Halide Lamp | CityLightsUSA.com
Philips 400W Clear ED37 Mogul Metal Halide High-Intensity Light Bulb - Town Hardware & General Store
Plusrite 1024 MH400/U/MOG | 400W Metal Halide Light Bulb
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