Linear Fluorescent Bulb Bulb Base Type Medium Bi-Pin (G13) Bulb Housing Glass Bulb Shape T8 Color Rendering Index 82 Color Temperature 6500K Lumens 1 300 lm Light Technology Fluorescent Nominal Length 2 ft Shatter-Resistant No Watts 17 W Voltage Ballast Dependent Standards TCLP Compliant ANSI Code 1001-1 Bulb Minimum Starting Temperature 32 Degrees F Bulb Start Type Preheat High Output No Overall Length 24 in Rated Life 42 000 hr Bulb Power Source Requires Separate Ballast