Linear Fluorescent Bulb Bulb Base Type Medium Bi-Pin (G13) Bulb Housing Glass/Metal Bulb Shape T8 Color Rendering Index 79 Color Temperature 3500K Lumens 1 325 lm Light Technology Fluorescent Nominal Length 2 ft Shatter-Resistant No Watts 17 W Voltage 120V AC Standards TCLP Compliant ANSI Code 1001-1 Bulb Minimum Starting Temperature -22 Degrees F Bulb Start Type Rapid High Output No Overall Length 24 in Rated Life 30 000 hr Bulb Power Source Requires Separate Ballast