Linear Fluorescent Bulb Bulb Base Type Medium Bi-Pin (G13) Bulb Housing Glass/Metal Bulb Shape T8 Color Rendering Index 85 Color Temperature 3000K Lumens 2 925 lm Light Technology Fluorescent Nominal Length 4 ft Shatter-Resistant No Watts 32 W Voltage Ballast Dependent Standards TCLP Compliant ANSI Code 1005-1 Bulb Minimum Starting Temperature 50 Degrees F Bulb Start Type Rapid High Output No Overall Length 48 in Rated Life 30 000 hr Bulb Power Source Requires Separate Ballast