3M™ PF400 Privacy Computer Filter models feature a flat frame design. User sees screen data clearly while onlookers see only a dark screen when viewed from the side. 3M PF400 filters offer up to 95% glare reduction and block up to 99.9% of ELF/VLF E-field radiation when properly grounded.
Executive models offer:

• On screen data visible only to persons directly in front of the monitor, passersby see a blank, dark screen.
• Keeps on screen data private with 3M's microlouver privacy technology.
• Up to 99% glare reduction to help prevent eyestrain and headaches related to computer monitor use.
• Great for high traffic areas and open plan cubicles.
• Blocks up to 99.9% of ELF/VLF E-field radiation and prevents static and dust build-up when properly grounded.
• Reduces glare up to 95%.
• Cleans easily with a soft, lint-free cloth and glass cleaner.
• Protects fragile LCD screens from scratches, damage and fingerprints.
• Lifetime warranty

3M EF200 Executive Computer Filters offer accurate color representation, enhanced contrast, and excellent glare and radiation reduction. They have a two-sided anti-reflective coating to help CRT monitors perform better as tested against ISO-9241-7.
Executive models offer:

• Either black or light gray frames to coordinate with the color of your monitor.
• ISO 9241-7 compliance and proven CRT monitor performance improvement.
• Up to 99% glare reduction to help prevent eyestrain and headaches related to computer monitor use.
• Light tint glass for enhanced contrast.
• Up to 99.9% reduction of ELF/VLF E-field radiation, and reduced static charge and dust buildup, when properly grounded.
• Protection from fingerprints and damage to LCD screens.
• Provides maximum user flexibility - fits both LCD and CRT desktop monitors.
• Approved by the American Optometric Association for meeting guidelines on Video Display Terminal (VDT) glare reduction.
• Lifetime warranty