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. Feit Electric shatter-proof T8/T12 lamps have an average life of 50,000 hrs/45.7 years are RoHS compliant and are 100% mercury-free. Choose a dependable flicker-free lighting for residential or commercial applications. No replacement of the ballast or installation of LED driver or removal of old ballast required.