... RoHs ETL UL approved 2)High quality,low price 3)Three years warranty 4)longer life Suitable for Schools, Hospitals, Offices, ... Aluminum shell cover, an excellent heat dissipation material. 2. High efficiency, easy intallation, and maintenance free. 3. Power factor ... 000 hours with 1-2 years warranty. t8 led tubes Applications: Office, Hospital, School, Factory, Hotel, Shopping Mall, Supermarket ...