Experience dependable, energy-efficient lighting with the LEDVANCE Sylvania 21119 13-Watt Compact Fluorescent Double Tube Bulb. Designed with a 2-Pin GX23-2 base, this T4 CFL delivers 780 lumens of warm 3000K illumination ideal for residential and commercial applications. It offers a long service life of up to 10,000 hours, reducing replacement frequency and maintenance costs. A perfect option for table lamps, task lighting, and general indoor fixtures requiring high efficiency in a compact form.