Goodlite G-10842 13-Watt CFL 60 Watt Replacement 900-Lumen T2 Spiral Light Bulb , Super Long 10,000 hour life (9.1 Years) Super white 5000k 60-watt replacement uses only 13-watts Yearly Energy Cost only $1.64 Saving $54 Per Bulb life (Based Cost 0.115Khw 3 hours average usage per day/7 days per week) 10,000 hour average rated life 9.1 Years means you'll almost never have to change bulbs, 10 times more then Standard Incandescent Lamps Utilizes an advanced electronic ballast so the bulb reaches full brightness quickly 900 lumens providing fresh energizing light,Energy Star qualified New T2 Technology Small, compact design, fits where standard bulbs are used,Ea Bulb Packed Individually in a Colord box with UPC bar code