Upgrade fluorescent fixtures to the latest LED energy-saving technology with the Feit Electric 20-watt (32-Watt Equivalent) 12-Inch Circular LED Light. These non-dimmable circular light tubes replace FC12T9 or T9 bulbs, ideal for ceiling fan and fixture applications. Choose between 3500K Neutral White, 4000K Cool White, or 6500K Daylight with the flip of a switch. Feit Electric circline fluorescent replacement bulbs produce 2000 lumens yet have a relatively cool running performance and use 37.5% less energy than fluorescents. Installation is easy: simply plug the new lamp into the existing ballast. No replacement or removal of the ballast is required. These lights offer instant-on, flicker-free full illumination with no warmup time. They are mercury-free and shatter-resistant for safe and easy disposal. Each high-quality bulb offers accurate color rendering, for more vibrant, true-to-life colors. Enjoy lower maintenance costs compared to traditional fluorescent circline lights. Switch to FC12/3CCT/LED Type A LED circline lights for your space and get up to 25,000 hours of superior light. That's 22.8 years with 3 hours of daily use. The estimated energy cost is only $2.41 per year.