The Ushio BTR is a 1,000-watt, 120-volt halogen globe in a clear T7 single-ended quartz envelope. It burns at 3200K and is rated for 250 hours, on a P28S (medium prefocus) base.
- Brand: Ushio
- ANSI code: BTR
- Wattage: 1,000W
- Voltage: 120V
- Color temperature: 3200K
- Rated life: 250 hours
- Base: P28S (medium prefocus)
- Bulb: T7, clear
- Type: Halogen, single-ended quartz
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