Convert your existing fluorescent fixture to LED technology with the Feit Electric T848/830/LEDG2/2 4ft. T8/T12 LED Plug and Play 2-pack lamps. These 3000K Bright White, non-dimmable tubes produce a similar fluorescent lamp output (1800 lumens), uses 18 watts of electricity and up to 44% 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 shatterproof T8 lamps have an average life of 35,000 hours/32.0 years are RoHS compliant and are 100% mercury free. Choose a dependable flicker-free bulb for residential or commercial applications. No replacement of the ballast or installation of LED driver or removal of old ballast required.