Plug-In CFL Bulb, T4 Bulb Shape, 4-Pin (G24Q-3) Bulb Base Type, Compact Fluorescent, 1800 lm, Dimmable Yes, 26 W, Ballast Dependent, Trade Number F26DBX/ECO4P, 17, 000 hr Rated Life, Bulb Type Plug-In, 3, 500 K, 3000 to 3999K, Warm White Light Appearance, 5 1/2 in Overall Length, Bulb Primary Application General Purpose, Shatter-Resistant No, Bulb Start Type Rapid, Color Rendering Index 82.0