Compact Fluorescent Lamp, Plug-In, 26 Lamp Watts, 100 Incandescent Equivalent (Watts), Lamp Designation F26TBX/A/ECO, Triple Biax Lamp Shape, GX24Q-3 (4-Pin) Base, 82 CRI, 3000 Color Temp., Warm White Lamp Tone, 12, 000 hr. Average Life, 1800 Initial Lumens, 1460 Mean Lumens, Description/Special Features TCLP Compliant, Ballast Required, 5.2 In. Length, Dimmable Yes, Start Type Rapid, 77 Degrees F Ambient Temp., 32 Degrees F Min. Starting Temp