1. Light Bulbs
  2. HID (High Intensity Discharge) Light Bulbs
  3. Metal Halide
  4. 400 - 499 watt
Sort By: Popularity     Watts: 400      Bulb Type: BT37     
Sylvania 400 watt BT37 Mogul Screw Base 3800K Natural White Clear Metal Halide
$38.69 In Stock
Plusrite 400 watt BT37 Exclusionary Mogul Screw Base 4200K Cool White Clear Metal Halide
$17.99 In Stock
Sylvania 400 watt BT37 Mogul Screw Base 3400K Natural White Coated Metal Halide
$110.69
Sylvania 400 watt BT37 Mogul Screw Base 3200K Natural White Coated Metal Halide
$52.79
GE 400 watt BT37 Mogul Screw Base 4200K Cool White Clear Metal Halide
$29.99
Sylvania 400 watt BT37 Mogul Screw Base 4200K Cool White Clear Metal Halide
$74.99
Sylvania 400 watt High Output BT37 Mogul Screw Base 4000K Cool White Clear Metal Halide
$38.99
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