Convert your existing fluorescent fixture to LED technology with the Feit Electric T48/840/LED/2 4ft. T8/T12 LED Plug and Play Lamps. This 4100K Cool White lamp produces 1750 lumens using only 14 watts - up to 56% less energy than an equivalent 32-watt fluorescent lamp. Get instant on to full brightness even in sub-zero temperatures with relatively cool running performance. Feit Electric shatterproof T8/T12 lamps have an average life of 50,000 hours/45.7 years are RoHS compliant and are 100% mercury free. Installation is easy: No replacement of ballast or installation of LED driver required.