Linear Fluorescent Bulb Bulb Base Type Medium Bi-Pin (G13) Bulb Housing Glass Bulb Shape T8 Color Rendering Index 82 Color Temperature 5000K Lumens 2 500 lm Light Technology Fluorescent Nominal Length 4 ft Shatter-Resistant No Watts 25 W Voltage 120V AC Standards TCLP Compliant Bulb Start Type Instant or Rapid High Output No Overall Length 48 in Rated Life 80 000 hr Bulb Power Source Requires Separate Ballast Trade Number FO32/25W/850/XP/SS/ECO3 Bulb Dia 1 in Dimmable Yes