PF14.1 fits standard notebook computers with a 14.1" viewing area<br>Actual filter dimensions are 8.44" high x 11.25" wide<br><br>This filter is designed for non-widescreen laptop computers with screens that appear more square than rectangular and have a 4 x 3 aspect ratio<br><br>Utilizes 3M™'s microlouver privacy technology so only persons directly in front of the monitor can see the image on-screen<br><br>- Passersby see only a dark screen; helps keep confidential and private information private<br>- Reversible for either glossy or matte screen finish<br>- Reduces reflections when used with the matte side facing you<br>- Protects fragile LCD screens from scratches and fingerprints<br>- New easy-on easy-off attachment system; filter stays in place even when notebook computer is closed<br><br>One year warranty from date of purchase This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-00-825-4400, indicating validated use in U.S. government and defense logistics supply chains.