Linear Fluorescent Bulb Bulb Base Type Miniature Bi-Pin (G5) Bulb Housing Glass Bulb Shape T5 Color Rendering Index 82 Color Temperature 5000K Lumens 4 800 lm Light Technology Fluorescent Nominal Length 4 ft Shatter-Resistant Yes Watts 49 W Voltage Ballast Dependent Standards NSF Non-Food Zone NSF Splash Zone RoHS Compliant ULEPH Bulb Minimum Starting Temperature -20 Degrees F Bulb Start Type Program High Output Yes Overall Length 46 in Rated Life 30 000 hr