... lumen efficiency 4)Quick start,no dim glimmer CFL full spiral energy saving lamp more informations: Description ... as long as incandescents. A single 18 watt CFL used in place of a 75 watt incandescent ... pollution. Replacing a single incandescent bulb with a CFL will keep a half-ton of CO2 out ... and lighting fixtures.CFL Models: Spiral lamps, 2U,3U,4U,6U,8U shapes lamps, standard lamps, globe lamps, flood ...