23 watt EarthBulb EarthBulb CFL replaces 100 watt light bulbs for over 75% energy savings. Savings over the long 10,000 average rated life eliminates 1150 lbs. of CO² from being released into the air and $77 in electrical cost savings (using $0.10kwh). Soft White color is standard. The CF23SW may be used in table, floor and desk lamps, ceiling fixtures, pendant fixtures, wall sconces and most general lighting applications. Electronic ballast provides for instant on, no flicker starting. Medium screw base. Qualifies for the Green Ribbon Program and 1% of sales will provide for eco-projects.