Sylvania 21111 Dulux 18W double compact fluorescent lamp with 2-pin base, 4100K color temperature, 82 CRI, Ecologic for use on magnetic ballast. Sylvania Dulux D Ecologic lamps are long-life, energy-saving alternatives for incandescent lamps. When paired with Sylvania Ecologic linear fluorescent lamps, all the fluorescent lamps in an installation will be TCLP compliant.