High efficacy: uses less energy than a comparable incandescent lamp.Reduced greenhouse gas and mercury emissions from power generation compared to incandescent lamps.Long lifetime: up to 10,000 hours rated life.Lead-free glass.Two-pin lamp with integral starter. SYLVANIA DULUX compact fluorescent lamps are an energy saving option over incandescent lamps. These lamps provide even light distribution and similar light output. When compared to an incandescent bulb the DULUX lamp will have up to 75% energy savings and ten times longer life. These lamps are designed to meet the Federal Toxicity Characteristic Leaching Procedure (TCLP) criteria for classification as non-hazardous waste and are RoHS compliant.