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. Diagonal Monitor Size: 21.5"; Fits Device Type: Flat Panel Monitor; Frame Type: Frameless; Mounting Details: Attachment Strips; Slide Mounts.