YELLOW BUG LIGHT CFL EMITS A SOFT YELLOW LIGHT TO REDUCE ATTRACTION OF BUGS AND INSECTS. THIS 11 WATT SPIRAL COMPACT FLUORESCENT BULB REPLACES A 40 WATT INCANDESCENT AND LASTS 10,000 HOURS - Supra Life compact fluorescent lamps last up to 10 times longer than standard light bulbs while using 75% less energy. This 11 watt CFL provides a soft yellow light to reduce attraction of bugs and insects. It will replace up to a 40 watt incandescent while providing an amazing 10,000 long life lamp hours. Not available in stores, Supra Life spiral CFL's are the preferred choice of architects, contractors, businesses, and homeowners nationwide who want to save energy and money! Bulborama compact fluorescent light bulbs are an efficient way to light sockets once traditionally reserved for incandescents. Supra Life CFL's are lightweight, generate minimal heat, light instantly, provide excellent color rendition, and are available in low profile sizes to fit a wide variety of fixtures.