– PF 13.3W fits widescreen notebook computers with a diagonally measured 13.3″ viewable screen – Actual filter dimensions are 7.059″ high x 11.283″ wide – This filter is designed for widescreen laptop computers with screens that appear more rectangular than square – Great for high trafffic areas such as airports, airplanes, internet cafes and other public locations – Notebook privacy filters keep confidential and private information secure – Utilizes 3M’s microlouver privacy technology so only persons directly in front of the monitor can see the data on screen – Passersby see only a dark, blank screen – Never blurs or distorts on screen data – Reversible for either glossy or matte screen finish – Reduces reflections when used with the matte side facing you – Helps protect fragile LCD screens from scratches and fingerprints – New easy on easy off attachment system – Filter stays in place even when laptop is closed