1 product
400-watt, coated, ANSI-M59, Fixture Type-open, BT37-P bulb, base up operating position, EX39 mogul
- Brand: WareLight Select
- Average Rated Life 20000
- Initial/Mean Lumens 36000/23000
- Kelvin/CRI 4000/70
- Base EX39
- Wattage 400
- Usually Ships Next Day
The 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.