Sylvania 20877 - Cf18Dt/E/In/835/Eco 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 Triple Tube 4-PIN fluorescent bulb, 18W, Base: GX24Q-2, Color Temp: 3000K, Rated Life (hours):