- PF400XLB fits 16"-19" CRTs and 17"-18" LCD monitors - Black flat frame design gives a coordinated look to your black monitor - Keeps on screen data private with 3M's microlouver privacy technology - On screen data visible only to persons directly in front of the monitor - Passersby see a blank, dark screen - Offers privacy without blurring or distorting screen images - Reduces glare up to 95% - Blocks up to 99.9% of ELF/VLF E-field radiation and prevents static and dust build-up when properly grounded - Utilizes standard tint glass for brighter graphics and sharper text - Cleans easily with a soft, lint-free cloth and glass cleaner - Protects fragile LCD screens from scratches, damage and fingerprints - Lifetime warranty