StarTech.com Monitor Privacy Screen for 21.5 inch PC Display - Computer Screen Security Filter - Blue Light Reducing Screen Protector Film - 16:9 Widescreen - Matte/Glossy - +/-30 Degree - TAA

PROTECT SENSITIVE DATA: This monitor security filter provides privacy outside +/-30° viewing angle from the center of your 16:9 21.5" widescreen display, keeping your desktop screen data confidential.

EASY APPLICATION: Attach privacy filter directly to the monitor using residue-free adhesive strips, or slide the filter over your display with included side mounting tabs - Extra adhesive strips and mounting tabs (MON-PRIVACY-SCREEN-K) sold separately.