GPF17.0W fits widescreen notebook computers and widescreen LCD monitors with a diagonally measured 17.08" viewable screen; actual filter dimensions are 9 1/16" high x 14 1/2" wide. Screen data is visible only to persons directly in front of the monitor. 3M privacy technology darkens on-screen data when viewed from the side. Keeps your electronic information confidential, making it excellent for use in high traffic areas. 3M Gold Privacy Filters provide a higher level of effective privacy protection and clarity than competitive products and standard black out privacy filters. User sees more clearly than ever while on-lookers see nothing but a vibrant golden screen.