3M EX10XL Anti-Glare Computer Filter, Black Flat Frame Fits 16" -19" CRTs and 17"-18" LCD monitors Reduces glare up to 90% Helps protect fragile LCD screens from fingerprints and damage Includes both CRT and LCD hanger arms to meet most users' needs Utilizes light tint glass for brighter graphics and sharper text Meets American Optometric Association's (AOA) requirements for VDT glare reduction. Cleans easily with a soft, lint-free cloth and glass cleaner Lifetime warranty