3M Privacy Filter Screen for Monitors, 21.5" Widescreen (16:9), Reduces Blue Light, PF215W9B

This 3M™ Black Privacy Filter for monitors provide world-class black out privacy from side views, while creating an excellent, high-resolution viewing experience. It's reversible between a glossy side and a glare-reducing matte side that helps reduce reflections and hide fingerprints, so you can enjoy pristine image clarity.