GE F8T9/CW Cool White 22W T9 Circline fluorescent lamp, 8” diameter, cool white 4100K color, rated 1100 lumens, 12,000-hour long-life bulb. This listing is for one bulb only; units are surplus from county inventory and boxes may show handling or shelf wear, but the bulbs themselves are unused. Ideal for office, utility, kitchen and general lighting fixtures that require a T9 circline 4-pin base. Mercury-containing lamp; please dispose according to local regulations.