Linear Fluorescent Bulb Bulb Base Type Recessed Double Contact (R17d) Bulb Housing Glass Bulb Shape T8 Color Rendering Index 85 Color Temperature 4100K Lumens 8 200 lm Light Technology Fluorescent Nominal Length 8 ft Shatter-Resistant No Watts 86 W Voltage Ballast Dependent Standards TCLP Compliant ANSI Code 1501-1 Bulb Minimum Starting Temperature 14 Degrees F High Output Yes Overall Length 96 in Rated Life 24 000 hr Bulb Power Source Requires Separate Ballast