3M Privacy Filter for Apple iMac 21.5 in 16:9 PFMAP001 Black, Glossy, Matte - For 21.5in Widescreen LCD iMac - 16:9 - Scratch Resistant, Fingerprint Resistant, Dust Resistant - Anti-glare

Fits full screen monitors with flat glass displays Provides touch compatibility on some devices Compatible with curved displays Matte surface helps reduce glare and hide fingerprints Helps protect your eyes from potentially harmful blue light, without distorting the natural color of your display Microlouver technology delivers world-class effective "black out" privacy from side views outside the 60-degree viewing angle Reversible between a glossy side and glare-reducing matte Durable privacy filter that can withstand hundreds of cleanings Helps reduce reflections so you see your screen clearly with pristine image clarity Designed with advanced microlouver technology, creating an excellent high-resolution viewing experience