Goodlite G-10877 42-watt Replacement Full Spectrum Compact Fluorescent 2850-Lumen 6500K T4 Spiral Light Bulb, Daylight Soft white light provides a warm, ambient glow equivalent to that of a 150-Watt incandescent bulb 10,000 Hours, 9.1 Years CRI = 82, Energy Star Rated 6.69" Length, 2850 Lumens, 6500K Kelvin Temperature New T2 Technology Small, compact design, fits where standard bulbs are used, a Bulb Packed Individually in a Colored box with UPC bar code Utilizes an advanced electronic ballast so the bulb reaches full brightness quickly