3M Privacy Filter for 13.3in Laptop with 3M COMPLY Flip Attach, 16:9 (PF133W9B)

The 3M Privacy Filter for 13.3-inch 16:9 laptops (PF133W9B) is down to £24.74 at Amazon. It has typically been selling for around £36.71 over recent months, so this works out at roughly 33% below its usual price.
Its currently ranked 62,552 in Computers & Accessories on Amazon and rated 5.0 out of 5 from 1 customer rating.
Key features:
Blacks out side views outside a 60-degree viewing angle for on-screen privacy.
Matte surface helps reduce glare and fingerprints.
Includes 3M COMPLY Flip Attach, so you can flip between privacy and screen sharing in one move.
The COMPLY Flip Attach uses a hinge design built to withstand the rigours of daily use.
Helps reduce blue light without distorting the natural colour of your display.