TCP 68923DLB6 CFL Mini Spring A Lamp - 100 Watt Equivalent (only 23W used) Daylight (5000K) Spiral Light Bulb - 6 pack Replaces Standard incandescent 100-watt light bulb Compact Flourescent Bulbs use 75% less energy with same light output Lifetime: 9.1 years Annual Energy Cost: $2.77 Not Dimmable Lifetime savings over 6 Incandescent bulbs: $504