Amazon.com: YES2B 19 Inch Monitor Privacy Screen Filter for 5:4 Display - Computer, Monitor, Desktop PC, Anti Spy, Blue Light Blocking and Anti Glare Protector, Anti-Peeping Shield, Made in Korea : Electronics
iMac 21.5" Monitor Privacy Screen for Apple Desktop Computers - Anti-Glare, Anti-Scratch, UV-Blocking Privacy Screen Protector - Mac Computer Security Screen Accessories Privacy by Adaptix – Adaptix, Inc.
3M Privacy Filter for 24.5" 16:9 Monitor with COMPLY Magnetic (PF245W9EM)