Bulbrite CF18D835/E 18W Dimmable Quad 4-PIN 835K Compact Fluorescent Light Bulb, Neutral White Creates a neutral 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 warm white (2700K), soft white (3000K), and cool white (4100K) Average Life: 10,000 hours