Philips 166017 - TL5C 22W830 (FC9T5/830) Circular T5 Fluorescent Tube 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 Philips Circline fluorescent bulb, 22W, Base: 2GX13, Color Temp: 3000K, Rated Life (hours):