3M EF200XL Executive Anti-glare Computer Filter Fits 17" - 18" diagonally measured CRT and LCD standard monitors 3M Executive Computer Filters offer excellent glare reduction for more comfortable viewing Light tint glass provides sharper text and more accurate color representation One of the few models with two-sided anti-reflective coating Helps protect valuable monitors from scratches and fingerprints Lifetime warranty  your assurance of quality Unique, two-sided anti-glare coating reduces glare by up to 99% Light tint glass provides sharper text and more accurate color representation. Available in flat frame design. High Quality  Proudly made in the U.S.A. Lifetime warranty