3M BP133W9B display privacy filter 33.8 cm (13.3") Laptop Frameless display privacy filter

Product Overview

AI-generated summary

If you work in an open-plan office, this kind of 3M privacy screen is a practical, low-effort way to stop shoulder-surfing. The “works especially well for people sitting off to the side” angle is the real benefit: it makes it harder for anyone not directly in front of you to read what’s on your laptop, while you can usually keep your own brightness and readability without faffing around. For £36 ex-VAT, it’s in the sweet spot for a business expense—cheap enough to roll out to a few users without it feeling like a big procurement project.

That said, this isn’t magic, and it’s not for everyone. Privacy filters generally reduce viewing flexibility: if you move around a lot, share the screen with someone beside you, or use the laptop in booths/rooms where your viewing angle constantly changes, you’ll find it annoying. Also, frameless-size installs can be fiddly—get the alignment wrong and you’ll end up with edges that lift or don’t sit quite right. I’d buy this if you have a clear “screen faces the room” risk and users won’t be constantly crowding around the display. I wouldn’t bother if you’re mostly in quiet private offices or you regularly collaborate by turning the screen to the side.