Use this 17W LED tube light when energy savings are the primary objective. This solid quality tube light sports a convenient internal driver and LED source provides 1785 lumens. Renowned Epistar high output chips provide exceptional, energy-saving luminance. Built to last for years. Available in 3000K, 4000K or 5000K color temperatures and in either frosted or clear lenses. Solid aluminum heat sink backing adds heft and enhances lamp quality.