Privacy filter for 15" LCD monitors blacks out image to prevent unauthorized viewing from the side. Design helps ensure the privacy of on-screen data on your LCD monitor. Microlouver technology creates a narrow viewing angle so the image is only visible to those directly in front of the screen. Side view is black. Frameless filter overlays LCD surface for a built-in look. Filter also eliminates glare, increases contrast and protects LCD surface from damage. Filter includes a microfiber cleaning cloth.