Satco S5833 400 Watt Cool White Clear Finish Metal Halide HID Light Bulb (ED37)
GE 17259 - CMH400/V/PA/O 400 watt Metal Halide Light Bulb - Halogen Bulbs - Amazon.com
Feit Electric 400-Watt ED28 Shape Clear Metal Halide High Intensity Discharge E39 Mogul Base HID Light Bulb (12-Pack) MH400/U/ED28/HDRP/12 - The Home Depot
400 W Metal Halide Tubular Lamp E40 Base 5055875514973 | eBay
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Xtrasun Metal Halide (MH) Lamp, 400W, 7200K - Aroma Grow Store
Ushio UMH-400/U, ED28 Metal Halide Lamp (400W/4000K/ED28)
OSRAM EVD 64663 HLX 400W 36V Tungsten Halogen Lamp: Video Projector Lamps: Amazon.com: Tools & Home Improvement
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