3M Black Privacy Filters for monitors provide world-class "black out" privacy from side views, while creating an excellent, high-resolution viewing experience. Reversible between a glossy side and a glare-reducing matte side that helps reduce reflections and hide fingerprints, so you can enjoy pristine image clarity.Display and device technology continues to advance. So do we. Behind the simplicity of our products is a powerful combination of optical science and sheer ingenuity you’ve come to expect from 3M. The microlouver technology in our world-class privacy filter helps protect the confidential and sensitive information displayed on your monitor from the side-views of visual hackers. The matte surface helps reduce glare and hide fingerprints, so you get crisp image clarity on your screen, while visual hackers with side views are kept in the dark.- Microlouver technology delivers world-class effective "black out" privacy from side views outside the 60-degree viewing angle- Reversible between a glossy side and glare-reducing matte- Compatible with curved displays- Reduces 35% of blue light transmission from the display