Fellowes Premium Flat Frame Monitor Filter Premium Glass Filters with Hanging Flat Frame, Traditional Tint Features the new Opti-Clean surfacecleans easily with plain water and a soft, dry cloth Meets the American Optometric Association (AOA) Seal of Acceptance for VDT glare reduction Flat glass filter with universal mounting clips and nonskid feet. For use in normal to brightly lit areas. Antiradiation/Antistatic/Antiglare AntiradiationConductive coatings and ground wire help to dissipate ELF/VLF E-Field radiation. AntistaticGround wire lessens static charge while reducing dust buildup and the risk of data loss. AntiglareMultiple layers of optical coatings eliminate glare and reflections from nearby light sources. ELF/VLF E-FieldElectromagnetic radiation produced by computer monitors, measured as Extra Low and Very Low Frequency. Fits Monitor 13-15" Diag.