Privacy Screen Filter and Anti Glare for 23 Inches Desktop Computer Widescreen Monitor, Aspect Ratio 16:09

Actual Privacy Screen Filter dimensions are 23 inch measured diagonally. 20 inch width x 11.3 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, Anti Glare and Easy Installation. 2 installation options -- slide screen on and off or mount permanently. Decrease surface reflection of lighting and external lighting.