3M Privacy Filters for 38" Widescreen Monitor - PF380W2B Black 38" Widescreen Monitor (21: 9 Aspect Ratio) Widescreen Monitor (21:9 Aspect Ratio)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