LEDwholesalers Brightest 20 Watt 4-foot T8 T10 T12 LED Tube Light 45W Fluorescent Tube Replacement UL Approved, Warm White 1920WW No flickering, no buzzing ballast High efficiency (85-100 lumen per watt) Replaces 45W fluorescent tube Ideal for all energy saving application Environment friendly - no mercury or hazardous materials