Sylvania 20582 - FT36DL/835 Single Tube 4 Pin Base Compact Fluorescent Light Bulb 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 Sylvania T5 fluorescent bulb, 36W, Base: 2G11, Color Temp: 3500K, Rated Life (hours): 12000