3M PF13.3

3M PF13.3 ... square than rectangular and have a 4 x 3 aspect ratio. Notebook privacy filters keeps confidential and private information private. Utilizes 3M's microlouver privacy technology so only persons directly in front of the monitor can see the image on screen. Passersby see only a dark screen. Reversible for either glossy or matte screen finish. Reduces reflections when used with the matte side facing you. Protects fragile LCD screens from scratches and damage. New easy on easy off attachment system, stays in place even when laptop is closed.