Linear Fluorescent Bulb Bulb Base Type Medium Bi-Pin (G13) Bulb Housing Glass/Metal Bulb Shape T8 Color Rendering Index 81 Color Temperature 3500K Lumens 2 080 lm Light Technology Fluorescent Nominal Length 3 ft Shatter-Resistant No Watts 25 W Voltage 120V AC Standards TCLP Compliant ANSI Code 1002-1 Bulb Minimum Starting Temperature -22 Degrees F Bulb Start Type Rapid High Output No Overall Length 36 in Rated Life 30 000 hr Bulb Power Source Requires Separate Ballast