Feit Electric ESL23TM/4/RP Compact Fluorescent Bulb 23 W Spiral Lamp Medium E26 Lamp Base 1600 Lumens

This compact fluorescent bulbs replaces a 100 W incandescent bulb while using only 23 W. These CFLs use up to 77% less energy and lasts up to 10 times longer than standard incandescent bulbs.