Bulbrite FT55/841 T5 55W High Lumen 841K Rapid Start Compact Fluorescent Long Twin Light Bulb, Cool White Creates a cool white light, perfect for offices and workplaces Fully dimmable capability allows for increased energy efficiency Indoor uses include recessed cans, portables, ceiling fixtures, and wall sconces Also available in soft white (3000K) and neutral white (3500K) Average Life: 12,000 hours