3M Privacy Filter for 21.5 inch Widescreen Monitor (16:9), Anti-Glare, Reversible Matte/Glossy, Blue Light Reduction

Working in an open-plan office, a financial analyst glances at the monitor displaying confidential spreadsheets. With the 3M Privacy Filter for 21.5 inch Widescreen Monitor, the screen appears dark to anyone viewing from the side, while the analyst sees a clear, vibrant image. This filter uses microlouver technology to narrow the viewing angle to 60 degrees, ensuring that only the person directly in front of the screen can read the content.

Key specifications

• Compatible with 21.5-inch widescreen monitors with 16:9 aspect ratio
• Viewing angle: 60 degrees (±30 degrees from center)
• Reversible design: matte side reduces glare up to 95%, glossy side enhances clarity
• Blue light reduction: up to 35% for reduced eye strain
• Light transmission: 65% for bright, clear images
• Scratch-resistant surface for durability
• Easy to clean with a soft cloth
• Mounting options: attachment strips and slide mount tabs included
• Filter dimensions: 476.6 mm x 268.1 mm
• Material: plastic

Why choose it

This privacy filter not only protects sensitive information from prying eyes but also improves your viewing experience. The matte side reduces glare and reflections, making it ideal for bright environments, while the glossy side offers a sharper image for color-critical work. The reversible design lets you choose the finish that suits your needs. Additionally, the blue light reduction feature helps minimize eye fatigue during long work sessions, and the scratch-resistant coating ensures the filter remains clear over time.

Ideal use cases

• Office environments where confidential data is handled
• Healthcare settings with patient information on screens
• Financial institutions and trading floors
• Public spaces such as airports or cafes
• Home offices for privacy during video calls or personal tasks

Good to know

The filter is easy to install and remove, thanks to the included attachment strips and slide mount tabs. It is not touchscreen compatible, so it is best suited for standard desktop monitors. For cleaning, simply wipe with a soft, dry cloth. The filter is packaged in a compact box, making it easy to store or transport if needed.