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GE ED28 Cool White Mogul Base (e-39) Mercury Vapor Light Bulb in the General Purpose Light Bulbs department at Lowes.com
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GE HR400DX33 Mercury Vapor Lamp, 400 W, Mercury Vapor Lamp, E39 Mogul Lamp Base, ED37 Shape, 22600 Lumens - High Intensity Discharge Bulbs - Amazon.com
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MERCURY VAPOR LIGHT BULB H33GL-400/DELUXEWHITE 400 WATTS - High Intensity Discharge Bulbs - Amazon.com
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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
![Sunlite 03679-SU MV400/DX/MOG H37 Mercury Vapor Lamp, 400 Watts, Mogul Base (E39), ED37, 12000 Hours Life, 22000 Lumen, Coated White Finish, 3600K - Amazon.com Sunlite 03679-SU MV400/DX/MOG H37 Mercury Vapor Lamp, 400 Watts, Mogul Base (E39), ED37, 12000 Hours Life, 22000 Lumen, Coated White Finish, 3600K - Amazon.com](https://m.media-amazon.com/images/I/617t17158mL.jpg)
Sunlite 03679-SU MV400/DX/MOG H37 Mercury Vapor Lamp, 400 Watts, Mogul Base (E39), ED37, 12000 Hours Life, 22000 Lumen, Coated White Finish, 3600K - Amazon.com
![920690-3 GE Lighting 400 Watts Mercury Vapor HID Lamp, ED37, Mogul Screw (E39), 21,000 Lumens, 5700K Bulb Color Temp. | Imperial Supplies 920690-3 GE Lighting 400 Watts Mercury Vapor HID Lamp, ED37, Mogul Screw (E39), 21,000 Lumens, 5700K Bulb Color Temp. | Imperial Supplies](https://www.imperialsupplies.com/ProductImageThumbs400/20/53/PI_Asset_1172053.jpg)