Linear Fluorescent Bulb, Bulb Base Type Medium Bi-Pin (G13), Bulb Housing Glass, Bulb Shape T8, Color Rendering Index 85, Color Temperature 4100K, Lumens 2,600 lm, Light Technology Fluorescent, Nominal Length 4 ft, Shatter-Resistant Yes, Watts 32 W, Voltage 120V AC, Standards Meets 2012 Lighting Legislation Energy Standards, Bulb Start Type Rapid, High Output No, Overall Length 48 in, Rated Life 36,000 hr, Trade Number F32T8/TL941/Alto, Bulb Dia. 1 in, Dimmable No, Light Color White