***** **********Best Quality Guranteed. *****Actual Screen Filter dimensions are 12.5 inch measured diagonally. 10.9 inch width x 6.1 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 Peeping, Easy Installation. *****2 installation options -- slide screen on and off or mount permanently. *****Decrease surface reflection of lighting and external lighting.