Satco S1902 6w T5 F6T5/CW Cool White 9 inch Preheat Fluorescent Tube Light 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, 6W, Base: G5 2-Pin, Color Temp: , Rated Life (hours): 5000