4′ LED T8 Hybrid Shatter Proof Lamp, Type A & Type B Integrated LED Lamp. LED T8 lamps have been designed and engineered for different kinds of applications. You can have the option of using them as Type A tube, working with existing electronic ballasts, or in a ballast bypass application as Type B tube. It is fully certified by UL on both modes. The innovative hybrid design helps you save the trouble in choosing tubes. And when there is compatibility problems associated with ballasts, you can simply connect the tube to line voltage, which allows you to keep using the same tube instead of replacing it.
