... cost to traditional tubes2. Eco-friendly: No UV, IR, mercury and other harmful materials3. Long lifespan: 50000 hours lifespan, small ... start6. Aluminum alloy body, Good heat dissipation7. T8 led tube lights different powers are available:9W/13W18W/24W, ... tube,ellipseInstallation: Package:Application:Grille Fixture for 4PCS 9W T10 LED Tube suitable for offices, Schools, Factories, Hospitals, Libraries, ...