This 13W replacement bulb is ideal for reading, crafting or office use, allowing for flexibility in where you place it. Each one provides up to 10,000 hours of illumination, offering extended use that you can count on. This Ott-Lite replacement bulb helps to reduce glare and eye strain by making fine print easier to read and improving image quality. It has a compact size that will make a helpful replacement option for a worn-out or broken bulb. It has a tube style that makes it easy to find when you need to change out your bulbs.