LEDwholesalers 48" 4-ft 20W LED T8 T10 Fluorescent Light Tube Replacement, White, 2044WH No flickering, No buzzing ballasts Power Consumption(Max):20 Watt High efficiency output (85-100 lumen per watt), save 60% power consumption compared with fluorescent light Real replacement for traditional T8 fluorescent light with no maintain cost Ideal for all energy saving applications