Kantek MAG19WL LCD Monitor Magnifier Filter, Fits 19"-20" Widescreen LCD Kantek MAG19WL LCD Monitor Magnifier Filter, Fits 19"-20" Widescreen LCD This filter has an elegant, lightweight design that enhances any monitor. Adjustable magnification more than doubles character size. Uses a high-quality Fresnel lens with antiglare coating. Fully assembled. Installs quickly and easily. Patented. Includes microfiber cleaning cloth.