The Ushio GCA is a 250-watt, 120-volt single-ended halogen quartz globe in a T3.5, clear envelope. It burns at 3200K, has a G5.3 base and is rated for 200 hours.
- Brand: Ushio
- ANSI code: GCA
- Wattage: 250W
- Voltage: 120V
- Color temperature: 3200K
- Rated life: 200 hours
- Base: G5.3
- Bulb: T3.5, clear
- Type: Halogen, single-ended quartz
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