Kensington K55676A SlimScreen Premium Antiglare and Antiradiation Filter Fits 19-Inch and 21-Inch Monitors (Black) Revolutionary technology eliminates 99% of glare that causes eye strain. Thin, flexible design blends with monitor for unobtrusive protection. Conductive coatings and plug dissipate static and 99.9% of ELF/VLF E-field radiation. Special front-surface coatings for durability and easy cleaning. Meets AOA specifications for computer monitor glare reduction.