3M Black Privacy Filters utilize ingenious microlouver technology to deliver world-class effective privacy for laptops and monitors. Side views are "blacked out" from prying eyes while your screen remains clearly visible to straight-on views. 3M Black Privacy Filters fade to black starting at the 30-degree side angle, are reversible between a glossy side and glare-reducing matte and reduce 35% of blue light transmission. Diagonal Monitor Size: 21. 5 in. ; Fits Device Type: Flat Panel Monitor; Frame Type: Frameless; Mounting Details: Attachment Strips; Slide Mounts.

• Keeps your personal or confidential information safe from prying eyes.
• You'll see the information on your display while people on either side only see a darkened screen.
• Includes your choice of two easy-to-use attachment methods.
• Reversible, matte side reduces glare and reflections.
• Lightweight, thin, frameless design.
• Protects display from dirt, debris and scratches.
• Cleans easily with a soft cloth and water.
• Includes a convenient storage folder that keeps your privacy filter clean while not in use on your device.
• Great for high traffic areas such as airports, airplanes, commuter trains, coffee shops and other public places.