Convert your existing fluorescent fixture to LED technology with the Feit Electric T1248/850/LEDG2/2 LED Lamps two-pack. These T12 lamps produce 1800 lumens of 5000K Daylight color temperature light while using only 20 watts - up to 50% less energy than a standard fluorescent lamp. Each shatterproof lamp is rated for 35,000 hours/32 years service life, is RoHS compliant, and are 100% mercury free. Choose a dependable flicker-free bulb for residential or commercial applications. Installation is simple: No replacement of the ballast or installation of LED driver or removal of old ballast required.