3M 21.3in 4:3 Monitor Privacy Filter, Anti-Glare Blue Light Filter, Matte/Glossy, TAA Compliant, Made in USA

3M Privacy Filters provide world-class "black out" privacy from side views outside the 60-degree viewing angle, while creating an excellent viewing experience from straight on views. Reversible between a glossy side and a glare-reducing matte side that helps reduce reflections and hide fingerprints, so you can enjoy pristine image clarity.