Product Description: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: For Widescreen Monitor; Frame Type: Frameless; Mounting: Attachment Strips; Slide Mounts.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.Effective "black out" privacy from side views outside the 60-degree viewing angle.Provides premium privacy while maintaining the glossy clarity of your monitor screen.Designed with advanced microlouver technology, creating an excellent high-resolution viewing experience.Glossy finish on both sides for enhanced clarity.Perfectly suited for most of today's high-resolution monitors and displays.Reduces blue light transmission from the display.Adds an extra layer of protection from everyday scratches and dust.Easy to attach, remove and clean.