Convert your existing fluorescent fixture to LED technology with the Feit Electric T848/840/LEDG2/2 plug-and-play lamps. These four-foot 4100K Cool White tubes output 1800 lumens using just 18 watts - up to 43.8% less energy than equivalent 32-watt fluorescent lamps. Feit Electric shatterproof T8/T12 lamps have an average life of 35,000 hours, are RoHS compliant and are 100% mercury free. Installation is easy: No installation of LED driver or removal of old ballast required.