Luxrite LR20570 FC8T9/CW 22-Watt 8 Inch T9 Fluorescent Circular Light Bulb, Cool White 4100K, 1180 Lumens, G10Q 4-Pin Base Luxrite FC8T9 is ideal for garage, workshop, basement, and general purpose use in your household. Color/Finish: Cool White, Color Temperature: 4,100K Average Lifetime: 8,000 hours Lumens (light output): 1180 G10Q 4-pin base