Linear Fluorescent Bulb Bulb Base Type Miniature Bi-Pin (G5) Bulb Housing Glass Bulb Shape T5 Color Rendering Index 85 Color Temperature 4100K Lumens 1 900 lm Light Technology Fluorescent Nominal Length 3 ft Shatter-Resistant No Watts 21 W Voltage 120V AC Standards TCLP Compliant High Output No Overall Length 34 in Rated Life 25 000 hr Bulb Power Source Requires Separate Ballast Trade Number FP21/841/ECO Bulb Dia 1 in Dimmable Yes Light Color White