3M Bright Screen Privacy Filter for 13.3 Inch Full Laptop 16:10

Amazon

Our proprietary Advanced Nanolouver technology transmits up to 85 percent of the screen’s light, ensuring a optimal balance of privacy, brightness, and clarity Up to 25 percent more brightness than the standard 3M black privacy filters Effective black out privacy from side views outside the 60-degree viewing angle Helps reduce blue light, without distorting the natural color of your display Claims based upon 3M laboratory testing

Euroffice

Effective black out privacy from side views outside the 60 degree viewing angle. Matte surface helps reduce glare and fingerprints. Helps reduce blue light, without distorting the natural color of your display.