Linear Fluorescent Bulb Bulb Base Type Medium Bi-Pin (G13) Bulb Housing Glass Bulb Shape T8 Color Rendering Index 82 Color Temperature 4100K Lumens 2 150 lm Light Technology Fluorescent Nominal Length 3 ft Shatter-Resistant No Watts 25 W Voltage 120V AC Standards RoHS Compliant ANSI Code C78.81-2001 Bulb Minimum Starting Temperature 60 Degrees F Bulb Start Type Instant High Output No Overall Length 36 in Rated Life 30 000 hr Bulb Power Source Requires Separate Ballast