3M™ PF12.1W Widescreen Notebook Privacy Computer Filter Helps protect widescreen LCD screens from damage while it protects your confidential information. - PF12.1W fits widescreen notebook computers with a diagonally measured 12.1" viewable screen - Actual filter dimensions are 6.46" high x 10.29" wide - This filter is designed for widescreen laptop computers with screens that appear more rectangular than square - Great for high traffic areas such as airports, airplanes, internet cafes and other public areas - Notebook privacy filters keep 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 - 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 damage - New easy on easy off attachment system - Filter stays in place even when laptop is closed - One year warranty from date of purchase