Linear Fluorescent Bulb Bulb Base Type Medium Bi-Pin (G13) Bulb Housing Glass Bulb Shape T8 Color Rendering Index 90 Color Temperature 3500K Lumens 2 625 lm Light Technology Fluorescent Nominal Length 4 ft Shatter-Resistant Yes Watts 32 W Voltage Ballast Dependent Standards NSF Non-Food Zone NSF Splash Zone RoHS Compliant ULEPH Overall Length 48 in Rated Life 36 000 hr Maximum Operating Temperature 150 Degrees F Trade Number F32T8 TL935/ALTO Bulb Dia 1 in Dimmable No