3M Executive Filters offer the best screen glare reduction due to their two-sided anti-glare coating. These filters reduce up to 99% of screen glare for more comfortable computer viewing. They help eliminate static and ELF/VLF E-field radiation and dust build up, when properly grounded. 3M Executive Computer Filters help protect the fragile surface of LCD monitors by placing a layer of protection between the display and the surrounding environment. Cleans easily with a water dampened soft cloth. Made in the United States and offers a manufacturer's warranty.To view the 3M Privacy Filter Measurement Guide, click here.