150-Watt Equivalent T8 4 ft. LED Universal Replacement Tube Light BulbOur 4 ft., 2000 Lumen LED direct replacement lamp replaces fluorescent tube lights in laundry rooms, kitchens, closets, etc. Quickly and easily replace your fluorescent tube light with this unit. Simply turn your light off, check your ballast (must be electronic or magnetic, turn the tube light and take out, insert our LED tube light and turn to click, turn your light on. This unit is energy efficient and has a 50,000 hour LED life. Energy efficient