Supplier of LED T8 4 foot direct wire and ballast compatible Lamps for use with retro fitting current fixtures. These tubes are great for energy saving over your current fluorescent T8 tubes. See the easy savings quickly with just replacing your current fluorescent lamps. Make sure to use a direct wire tube for applications where your ballast will be removed for your fixture. Ballast compatible would be spec'd when using a fixture were the ballast is left to drive the LED 4 foot T8 lamps. Not all tubes are compatible with all ballast please check requirements first before purchase.