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Philips 400-Watt HID Metal Halide light bulbs offer premium light quality for general lighting indoors and outdoor security lighting
Ideal for use in parking lots, commercial buildings, shopping malls and building flood lights.
MH400/U/ED28 for use with ANSI M59 ballast
Philips 140848 High Intensity Discharge Metal Halide 400-Watt ED28 Mogul Base Light Bulb B007RKVPC8