3M privacy and protection products work simply and beautifully on most of today's laptops to help protect your screens, and help keep the information displayed on them private. Ingenious microlouver technology delivers world-class effective privacy. You get crisp image clarity on your screen, while visual hackers with side views are kept in the dark.
Microlouver technology delivers world-class effective "black out" privacy from side views outside the 60-degree viewing angle; Offers the best level of clarity in 3M Privacy Filters for monitors; On average, 25% more clarity than standard 3M? Black Privacy Filters
3M PRIVACY FILTER FOR DELL OPTIPLEX 3240 ALL-IN-ONE