The NEW 3M Anti-Glare Filter for 21.5" Widescreen Monitor (AG215W9B) is a tinted, anti-scratch filter designed to reduce glare and increase privacy on a 21.5-inch widescreen monitor. The filter features a matte anti-glare surface, helping to protect eyes from harsh screen reflections while also providing a layer of protection against scratches. As a trusted brand in computer accessories, 3M ensures high-quality and reliable products that enhance the viewing experience on computer screens.