3M Privacy Filter for 21.5" Monitor with 3M COMPLY Magnetic Attach, 16:9The 3M COMPLY Magnetic Attach for Monitors allows you to quick click between world class privacy and screen sharing thanks to ultra strong magnets that click the filter securely into place. Leveraging the power of rare earth magnets, the proprietary modern design seamlessly attaches the privacy filter to the monitor display, ensuring a crisp, clear image. Features Effective "black out" privacy from side views outside the 60 degree viewing angle 3M