Linear Fluorescent Bulb, Bulb Base Type Medium Bi-Pin (G13), Bulb Housing Glass/Metal, Bulb Shape T8, Color Rendering Index 78, Color Temperature 3000K, Lumens 1,325 lm, Light Technology Fluorescent, Nominal Length 2 ft, Shatter-Resistant No, Watts 17 W, Voltage 120V AC, Standards TCLP Compliant, ANSI Code 1001-1, Bulb Minimum Starting Temperature -22 Degrees F, Bulb Start Type Rapid, High Output No, Overall Length 24 in, Rated Life 30,000 hr, Bulb Power Source Requires Separate Ballast