... 3years warranty >50,000hrs UL 15W U shape led tubes Product Name: UL 15W U shape led tubes Model: GL-15W/TX2-01Operating ... on tubes and drivers, more convenient for maintenance than tube with internal driver;4. External Drivers, high lighting efficiency. more ... office building, factories, shopping malls, schools, supermarkets, hotels, underground parking lots, subways, governmental projects and so on.