1 product

400-Watt, Clear, ANSI-59, Fixture Type-open, BT37-P bulb, base up operating position EX39 mogul base
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- Brand: E-WareLight
- Average Rated Life 20000
- Initial/Mean Lumens 40000/26000
- Kelvin/CRI 4000/65
- Base EX39
- Wattage 400
- Base: Mogul Open Rated
- Fixture Type: Open or Enclosed
- Usually Ships Next Day
ITEM: MH400BUO
Select ProductThe Type BT tube also known as a blown tube light bulb is a T light bulb that has had the glass blown in the middle so that it appears to have a bubble in the middle of the tube. BT halogen light bulbs can be used to replace incandescent light bulbs. High-intensity discharge light bulbs come in BT28, BT37, and BT56. These are used in sports arenas, car dealerships, canopy lighting, and industrial applications.