Globe 48526 23-Watt Mini Compact Fluorescent Spiral Bulb (100-Watt Incandescent Equivalent), Soft White, 4 Pack This 23-watt CFL is equivalent to a 100-watt regular incandescent bulb but uses less energy, and helps protect the environment The compact size fits most fixtures that require a standard medium base regular incandescent bulb Meets Energy Star guidelines for increased energy efficiency Lifespan runs from 8,000-10,000-hours and will outlast 8-10 regular incandescent bulbs Globe Enersaver bulbs are warranted to last 5 years; if it fails before that time, we will replace it