Convert your existing fluorescent fixture to LED technology with the Feit Electric T848/850/LEDG2/2 LED lamps two-pack. These T8 lamps produce 1800 Lumens of 5000K daylight color temperature light while using only 18 W up to 44% less energy than a standard fluorescent lamp. Each shatterproof lamp is rated for 35,000 hrs or 32 years of service life, is RoHS compliant and 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.