***** **********Best Quality Guranteed. *****Actual Privacy Screen Filter dimensions are 19.5 inch measured diagonally. 17 inch width x 9.6 inch high. Compare your screen dimensions against our dimension before purchasing. *****Blocks visibility from side angles greater than 30 degrees from center, but NOT behind you. *****Anti Scratch, Anti Blue Light, Anti Peeping and Easy Installation. *****4 installation options -- slide screen on and off or mount permanently. *****Decrease surface reflection of lighting and external lighting.