PF14.1W fits widescreen notebook computers with a 14.1" viewing area Actual filter dimensions are 7.50" high x 11.99" wide This filter is designed for widescreen laptop computers with screens that appear more rectangular than square 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; helps keep confidential and private information private 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 fingerprints New easy-on easy-off attachment system; filter stays in place even when notebook computer is closed