CF13DD/841/ECO Compact Fluorescent Lamp The SYLVANIA CF13DD/841/ECO is a 13-watt DULUX® D ECOLOGIC® double compact fluorescent lamp designed for use with magnetic ballasts. This lamp provides efficient lighting solutions for electrical distributors and switchgear suppliers focusing on energy-saving and environmentally compliant wire and cable applications in commercial and industrial lighting fixtures. Specifications Base: GX23-2 Bulb Type: T4X2 Diameter: 0.500 inches Average Rated Life: 10,000 hours Color Rendering Index: 82 CRI Color Temperature: 4100K Product Weight: 5.1390 lbs Manufacturer Part #: 21120 Features High efficacy uses less energy than comparable incandescent lamps Reduced greenhouse gas and mercury emissions compared to incandescent lamps Long 10,000-hour average rated life reduces relamping requirements and costs TCLP and RoHS compliant for environmental safety Rare earth phosphors provide 82 CRI for quality light rendering 85% lumen maintenance ensures consistent light output Symmetrical light distribution for uniform illumination Two-thirds the length of single compact lamps for compact fixture compatibility Plug-in GX23-2 base with integrated starter and interference suppressor Downloads & Links