Convert your existing fluorescent fixture to LED technology with the Feit Electric T36/850/LEDG2 3 ft LED lamp. This T8 or T12 plug and play lamp produces 1500 Lumens of 5000K daylight color light while using only 12 W of electricity up to 60% less energy than a standard fluorescent. Get instant on to full brightness even in sub zero temperatures with relatively cool running performance. Feit Electric shatterproof T8 or T12 lamps have an average life of 50,000 hrs or 45.