This premium display filter protects your onscreen data privacy on notebook and LCD monitors. Micro-Louver technology creates a narrow frontal viewing angle that blacks out side views from prying eyes. Also eliminates glare and increases contrast to reduce eye strain. The innovative overlay design is easy to install and remove. CRT Monitor Size Range: N/A; Global Product Type: Monitor Filters; Maximum LCD Monitor Size Range: 12.10 in; Notebook Monitor Size: 12.10 in.