Ledwholesalers, Package of 4 Brightest 20 Watt 4 Foot T8 T12 LED Tube Lights, 45w Fluorescent Bulb Replacement, White, 1943whx4 LED replacement for 48" fluorescent tube Comparable to 45W traditional tube Energy efficient and long lasting No flickering or buzzing, no hazardous material like mercury or UV Long life of ~35,000 hours, 1-year warranty