... thermal management system3. LonENife time more than 50,000 hours under normal use, especially for office lighting.4. Optimized light ... :300mm,450mm,600mm,900mm,1200mm,1500mm,1800mm,2400mm etc.LED Tube Application : Widespread use in family ,SchoolOffice,Showing Room , ... frame,meanwhile,please take down splendor/electric ballast. T8 LED Tube Component&Packing1. Power Supply2. PC cover top case3. Aluminum ...