TAAcompliant privacy filter uses Microlouver technology to narrow the viewing angle to + 30 deg. shielding 21.5in 16:9 monitors from visual eavesdropping in offices hoteling stations or shared spaces Quickly attach or remove the hanging privacy filter without tools using its unique mounting design Included silicone bumpers hold the screen in place High?gloss finish to maintain color vibrancy Scratch and fingerprint?resistant coating Blocks blue light in the 380480 nm range