Linear Fluorescent Bulb Bulb Base Type Medium Bi-Pin (G13) Bulb Housing Glass Bulb Shape T8 Color Rendering Index 85 Color Temperature 3500K Lumens 2 725 lm Light Technology Fluorescent Nominal Length 4 ft Shatter-Resistant No Watts 28 W Voltage 120V AC Standards TCLP Compliant Bulb Start Type Instant or Rapid High Output No Overall Length 48 in Rated Life 40 000 hr Bulb Power Source Requires Separate Ballast Trade Number FO28835XPSSECO3 Bulb Dia 1 in Dimmable Yes