Yes, you can replace fluorescent tubes with LED tubes or LED integrated fixtures. ... As long as the bulb is compatible with the existing fluorescent ballast in the fixture, you simply remove the fluorescent and replace it with the LED tube light. LED replacement lamps are on average 30% more efficient than their fluorescent counterparts. I stopped using any fluorescent lights many years ago. And now, for example, to lighten my rooms I use this small LED lanterns thegrommet.com. I use them even in the garage when I have work there, and it is perfect for me. This one is equipped with 30 bright, eco-friendly LEDs button-free design convenient for low-light conditions, military-grade materials are water-resistant and shock-proof, battery efficient LEDs last up to 12 hours, 140 lumens and lifetime warranty.