Linear Fluorescent Bulb, Bulb Base Type Medium Bi-Pin (G13), Bulb Shape T8, Color Rendering Index 78, Color Temperature 3000K, Lumens 1,970 lm, Light Technology Fluorescent, Nominal Length 3 ft, Shatter-Resistant No, Watts 25 W, Voltage 120V AC, Standards Meets 2012 Lighting Legislation Energy Standards, ANSI Code 1002-1, Bulb Minimum Starting Temperature -22 Degrees F, Bulb Start Type Instant, High Output No, Overall Length 35 3/4 in, Rated Life 36,000 hr, Trade Number F25T8/SP30/ECO