Sylvania 21061 - G8T5/OF Germicidal 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 OSRAM T5 fluorescent bulb, 8W, Base: G5.3 2-Pin, Rated Life (hours): 6000