Fits both desktop CRT and desktop LCD monitors Sleek midnight black assembly free frame gives a coordinated look to your black monitor. Keeps on screen data private with 3M's blackout 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 assembly-free flat frame design; fits CRT monitors 19" to 21" and 19" - 20" LCD monitors; utilize light tint glass for brighter graphics and sharper text; warranted against defects for as long as you own your 3M Computer Filter; cleans easily with a soft, lint-free cloth and glass cleaner.