Luxrite LR20575 (4-Pack) FC8T9/D 22-Watt 8 INCH T9 Fluorescent Circular Light Bulb, Daylight 6500K, 980 Lumens, G10Q 4-Pin Base Luxrite FC8T9 is ideal for garage, workshop, basement, and general purpose use in your household. Color/Finish: Daylight, Color Temperature: 6,500K Average Lifetime: 8,000 hours Lumens (light output): 980 G10Q 4-pin base