GPF13.3W fits widescreen notebook computers with a diagonally measured 13.31" viewable screen; actual filter dimensions are 7 1/16" high x 11 5/16" wide. This filter is designed for widescreen laptop computers with screens that appear more rectangular than square and have a 16:10 aspect ratio. 3M Gold Privacy Filters provide twice the level of effective privacy protection and 14% higher clarity than standard black out privacy filters. User sees more clearly than ever while on-lookers see nothing but a vibrant golden screen.