... 6 inchCeramic socket: Fit for E39 bulb cap 8. Ceramic socket Fit for E39 bulb cap Air cool hood reflector 1. Adjustable wing ... ballasts ( ANSI Code: S51)Color Temperature: 2,000kBulb Base: E39 MogulBulb Shape: Varies across different wattagesBulb Life: 24,000 hours ... ballast (ANSI Code: M47)Color Temperature: 6,500KBulb Base: E39 Mogulbulb Shape: Varies across different wattagesBulb Life: 10,000 hours ...