Satco S1904 F8t5/Cw 8w Fluorescent W/ Minature Bi-Pin Base -Cool White 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 Satco T5 fluorescent bulb, 8W, Base: G5 2-Pin, Color Temp: , Rated Life (hours): 5000