Westinghouse 4-Pin Long Twin Tube Replacement Fluorescent Light Bulbs - Compared to traditional incandescent light bulbs, Westinghouse ENERGY STAR® light bulbs use less energy, reduce your electric bills and last longer. Take a look at our compact fluorescent lamps (CFL's)Âthe most comprehensive line of energy-saving light bulbs in our collection. Any questions or you can't find what your looking for, call Genesis Lamp at: 1.800.685.5267 We'll help you find the right light bulb for all of your lighting needs