Linear Fluorescent Bulb Trade Number FBO31/835 Bulb Housing Glass Bulb Shape T8 Color Temperature 3500K Lumens 2 725 lm Shatter-Resistant No Bulb Bend Radius 1 5/8 in Watts 31 W Bulb Base Type Medium Bi-Pin (G13) Color Rendering Index 82 Dimmable No Light Technology Fluorescent Overall Length 22 1/2 in Voltage 120V AC Standards ANSI Bulb Start Type Instant or Rapid Rated Life 20 000 hr Light Color White Bulb Dia 3 in