Convert your existing fluorescent fixture to LED technology with the Feit Electric T36/840/LEDG2 3 ft, T8/T12 LED plug and play lamps. This 4100 K cool white lamp is non-dimmable. It produces a similar fluorescent lamp output (1450 Lumens), uses 12 W of electricity and up to 60% less energy than a standard fluorescent lamp. Get instant on to full brightness even in sub-zero temperatures with relatively cool running performance.