3M - HC215W9B 16:9 Aspect Ratio High Clarity Privacy Filter for 21.5 in. Widescreen Flat Panel Monitor - Black

3M High Clarity Privacy Filters are great for most of today's high-resolution laptops and monitors. High clarity filters provide premium privacy while maintaining the beautiful high-contrast, high-resolution image you expect. 3M High Clarity Privacy Filters fade to black starting at the 30 Degree side angle, have a glossy finish on both sides for enhanced clarity and reduce 35% of blue light transmission.