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. High efficiency - uses less energy than an incandescent lamp of comparable lumen output Reduced greenhouse gas and mercury emissions from power generation compared to incandescent lamps Reduces relamping requirements and related costs 85% mean lumens Symmetrical light distribution