Linear Fluorescent Bulb, Bulb Base Type Medium Bi-Pin (G13), Bulb Shape T8, Color Rendering Index 60, Color Temperature 4100K, Lumens 2,150 lm, Light Technology Fluorescent, Nominal Length 3 ft, Shatter-Resistant No, Watts 30 W, Voltage Ballast Dependent, Standards Meets 2012 Lighting Legislation Energy Standards, ANSI Code 2018-1, Bulb Minimum Starting Temperature 50 Degrees F, Bulb Start Type Preheat, High Output No, Overall Length 35 3/4 in, Rated Life 7,500 hr, Trade Number F30T8/CW