3M Privacy Filter for 21.3" Monitor PF213C3B (4:3) 21.3"(4:3) Black

• 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
• Reduces 35% of blue light transmission from the display, 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
• Gives screens an added layer of durable protection from dust and scratches