Linear Fluorescent Bulb Bulb Base Type Medium Bi-Pin (G13) Bulb Housing Glass Bulb Shape T8 Color Rendering Index 83 Color Temperature 3500K Lumens 2 850 lm Light Technology Fluorescent Nominal Length 4 ft Shatter-Resistant Yes Watts 32 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 Indoor/Outdoor Usage Indoor Only Maximum Operating Temperature 135 Degrees F