Sylvania 21272 DULUX 9W single compact fluorescent lamp with 2-pin base, 2700K color temperature, 82 CRI, ECOLOGIC for use on magnetic ballast. SYLVANIA DULUX S ECOLOGIC compact fluorescent lamps are an energy saving option over incandescent lamps. These lamps provide even light distribution and similar light output. When compared to a 90 Watt incandescent the 13 Watt DULUX S ECOLOGIC lamp will have up to 75% energy savings and ten times longer life.