GE Lighting 89094 Energy Smart Spiral CFL 20-Watt (75-watt replacement) 1300-Lumen T3 Spiral Light Bulb with Medium Base, 1-Pack 75 watt replacement uses only 20 watts 1150 lumens providing fresh, energizing light Lasts 9.1 years based on 3 hours per day usage Estimated yearly energy costs $2.41 based on 3 hours per day $0.11 per kWh $60 in energy savings over the life of the bulb based on 3 hours per day usage 20-watt Medium Base (E26) T3 Spiral, compact fluorescent lights sustain a life of up to 9 years Daylight bulb with a color temperature rating of 6500K Lamp light illuminates your surroundings with light output of 1200-lumens, great for Fresh, Energizing environments The 20-watt Compact Fluorescent Light (CFL) acts as a replacement for 75-watt incandescent bulbs, saving on energy and costs Daylight 20-watt CFL light provides 8000-hours of running life, which means replacing your bulbs less often