OttLite High-Definition 18-Watt Replacement Tube

High-definition Natural Lighting makes reading, seeing and working easier See fine print and details clearly. Low-heat, low-glare illumination helps reduce eyestrain. For use only as a replacement tube with specific OttLite lamps. Energy-efficient tube rated to last up to 10,000 hours. Dimensions: 8.75inH x 1.63inW x 0.63inD. ENERGY STAR - For products that meet federal guidelines for energy efficiency. ENERGY STAR certified - meets federal guidelines for energy efficiency. Energy efficient - designed to use less energy than alternative products, potentially helping you save money and reduce your carbon footprint.