Direct Wire LED T8 tubes Requires for the ballast to be rewired to feed direct power to them. They do qualify for rebate programs with most major power companies in the US, are ecologically friendly, use half the energy of fluorescent tubes, save 70% energy, have a lifespan greater than 80,000 hours, and have a 5 year warranty. They come in Frosted, Clear, and stripped finishes. They are also available in 3500K, 4000K, 5000K, 6000k color temperatures. They also come in one end and two end configurations.