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Spirals are the most popular type of Compact Fluorescent Lamp (CFL). Spiral CFLs are made in several sizes to fit most common fixtures. You can replace most of your traditional bulbs around the house with spiral CFLs. Their light casting qualities are similar to incandescent lights, however consuming a lot less energy. Spirals are screw-in bulbs with a standard/medium E26 base. With your purchase you will generate substantial cost savings and carbon offset. To calculate your savings, click on the Energy Star CFL savings calculator.(XLS)

Consult this chart for: - Light output equivalency between Incandescents and CFLs - CFL generated $Cost and CO2 Emissions savings CFL bulbs Incandescent CFL Cost Savings (.10/KWh) CO2 Savings 40w 11-14w $39-$44 507-572lbs. 60w 15-19w $62-$68 806-884lbs 75w 20-25w $76-$83 988-1079lbs. 100w 26-29w $107-$112 1391-1456lbs. 150w 38-42w $163-$169 2119-2197lbs.