3M Privacy Filter for 21.5 Inch Full Screen Monitor with COMPLYMagnetic Attach 16:9 PF215W9EM3M Privacy Filters deliver world class effective "black out" privacy from side view outside the 60 degree viewing angle, while creating an excellent viewing experience from straight on views. Reversible between a glossy side and glare reducing matte that is smooth to the touch, reduces glare and hides fingerprints, so you can enjoy pristine image clarity. The filter helps to reduce blue light, without distorting the natural colour of your display. The