3M Gold Privacy Filters project a vibrant gold shield to prying eyes from the side, while you get incredible clarity so your confidential information is visible only to you. 3M Gold Privacy Filters fade to black starting at the 30-degree side angle, are great for high-resolution laptops & monitors, are reversible to black glossy & reduce 35% of blue light transmission. Diagonal Monitor Size: 21.5"; Fits Device Type: Flat Panel Monitor; Frame Type: Frameless; Mounting: Attachment Strips; Slide Mounts.