The Noxion Avant LEDtube T5 Extreme HO Direct is an excellent replacement for T5 fluorescent tubes. By replacing the fluorescent tube and removing the original ballast, not only you can save 50% energy with the new LED tubes, you save also the extra energy by removing the ballast. This tube delivers 150lm/w, over 50% energy savings can be achieved. Due to its lifetime of over 50,000 hours, maintenance costs are reduced as well. The Avant LEDtube T5 Extreme HO Direct can only be used on direct main-voltage (220-240V). The tube is available as a 54W and 49W replacement in 3000K, 4000K and 6500K, it is the perfect LED product for any situation.