3M Privacy Filter for 27 Inch Widescreen Monitor, Reversable Gloss/Matte, Reduces Blue Light, Screen Protection, 16:9 Aspect Ratio (PF270W9B) Black 27" Widescreen Monitor

3M Privacy Filters keep confidential information private. Only persons directly in front of the monitor can see the image on screen; others on either side of them see a darkened screen.