3M 15.4 inch Notebook Privacy Filter

The 3M Notebook Privacy Computer Filter is designed to work with your 15.4" screen portable computer. It features 3M's patented Microlouver technology which makes on-screen data visible only to persons directly in front of the monitor and improves contrast and privacy without blurring. The filter stays in place even when the notebook is closed, and it is easy to attach and remove. It comes with a matte finish and fits most laptops. Lifetime warranty.