Philips 391169 Circline Fluorescent 22-Watt 8-Inch T9 Cool White Light Bulb Philips Circline Fluorescent T9 cool white light bulbs are ideal for use in garages, basements and workshops Ideal for use in ceiling mounted fixtures Great for general purpose lighting anywhere in your home Provides a cool white light that creates a work-like environment Bi-pin base, T9 shape, 8In