Kensington FP215W9 Privacy Screen For 21.5" Widescreen Monitors - 16:9 - Display Screen Protector - 2-way - Removable - Adhesive - 21.5" Wide - K55797WW

• Limited viewing angle
  Narrows the field of vision on the monitor to keep your information on the screen private, which is important when you are viewing confidential or sensitive information at your desktop.
• Frameless tab holders
  Attaches to the edges of your monitor and lets you quickly and easily insert and remove the privacy screen without the need for sticky, messy adhesives of permanent applications.
• Blue light reduction
  Filters harmful rays, which is helpful as blue light has been shown to interrupt sleep patterns and even cause retinal damage.

Protect the sensitive information displayed on your monitor while also protecting your vision and the screen itself from scratches and fingerprints with a Privacy Screen for a Widescreen Monitor. They're great when you want to block wandering eyes that might be able to see what's on your desktop monitor. The thin privacy screen limits the field of vision and attaches with tab holders you place around the edge of your screen. The privacy screen also reduces harmful blue light.