GPF19.0 fits monitors with a diagonally measured 19" viewable screen; actual filter dimensions are 11 7/8" high x 14 13/16" 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 nearly 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. Filter is reversible. Choose gold or black side.