GE 15836 - 26 Watt CFL Light Bulb - Compact Fluorescent - 100 W Equal - 2700K Warm White - Min. Start Temp. 5 Deg. F - 82 CRI - 65 Lumens per Watt - 12 Month Warranty Fluorescent bulbs are energy saving bulbs and last up to 10 times longer than incandescent bulbs Fluorescent bulbs help you save money using 40 - 70% less energy than incandescent bulbs Fluorescent bulbs are 5-8 times more brighter (more output lumens /watt) than incandescent bulbs GE T3 fluorescent bulb, 26W, Base: E26 Medium Screw, Color Temp: 2700K, Rated Life (hours): 8000