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Bulbs
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HID
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BT37
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BT Series
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A: General Bases
Wattage
400 W (2) 1000 W (1)
Overall Diameter
Brand
Color Temperature
3800K (1) 4200K (2)
Lumens
Bulb Finish
Hours
9000 (1) 20000 (2)
Dimmable (1)
Finish Type
Include Discontinued & Unavailable Items (11)
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Westinghouse 3702200 400W BT37 HID Light Bulb

Item No: CB-0216108 Part No: 3702200 UPC: 00030721370229
  • Technology: HID
  • Bulb Shape: BT37
  • Wattage: 400 W
  • Lamp Base: Mogul (EX39)
  • Color Temperature: 4200K
$45.89 per bulb
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Westinghouse 3703600 400W BT37 HID Light Bulb

Item No: CB-0216100 Part No: 3703600 UPC: 00030721370366
  • Technology: HID
  • Bulb Shape: BT37
  • Wattage: 400 W
  • Lamp Base: Mogul (E39)
  • Color Temperature: 4200K
$46.40 per bulb
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ProLume 64351 1000W BT37 HID Metal Halide Light Bulb

Item No: CB-0003115 Part No: 64351 UPC: 46135643514
CB Preferred
  • Technology: HID / Metal Halide
  • Bulb Shape: BT37
  • Wattage: 1000 W
  • Lamp Base: Mogul (E39)
  • Color Temperature: 3800K
$80.02 per bulb
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