Feit Electric Linear Led bulbs converts your existing fluorescent fixture to LED technology, using two 4ft LED lamps with Quick Connect to create a 8 ft. seamless connection. The plug and play ease of this LED bulb allows a direct replacement for your T8 or T12 connections, with no replacing or rewiring of lamp holders required. The LED bulb can operate in existing fluorescent fixtures with ballasts that have a single pin connection. The LED bulb contains no glass but has a shatterproof acrylic Len, eliminating broken lamps. The LED technology eliminates visible flickers or storing. Uses up to 41 percent less energyFinish in cool whiteEnergy savingMercury freeEnergy used 44 wattsLight output 3200 lumens