Fits screen sizes of 20 1/16" diagonaly measured (Width 17 1/8",Height 10 3/4") * Provides 1.5 times more effective privacy than competitive models. * Helps protect your fragile LCD screen from damage * Filter is reversible;Choose glossy or matte side * Protects on screen data when viewed from the side keeping your electronic information confidential making it excellent for use in high traffic areas.