120-Watt Equivalent 9 in. Circline T9 CFL 4-Pin Base Light Bulb Cool White(24-Pack)The Feit Electric 30 Watt Cool White Circline T9 CFL Light Bulb replaces your T9 lamp bulbs in your ceiling fan and fixtures that accepts a 4 pin base. Designed to last and save energy, this light bulb has an average life of 12,000 hours and is estimated to have only a $3. 61 yearly energy cost. Its 4100K Cool White color is great for kitchens, garages, basements, work environments and hospitals. Estimated yearly energy cost: $3. 61 (based on 3 hours