GE, F26DBX/835/ECO, CFL 26W, Plug In 2 Pin Double Biax Compact Fluorescent Replacement Bulb, G24D-3 Base, Nominal Length = 6.7", 10,000 Hour, 1710 Lumens, 3,500 Kelvin Color Temperature, CRI=82, Minimum Start Temperature = 16 Degrees Fahrenheit, TCLP Compliant, Energy Star Rated.