The Kensington privacy screen filter is designed for a 21.5-inch display, providing effective 2-way privacy protection to keep sensitive information secure from viewing by prying eyes. This display filter features a reversible design, allowing users to choose between a matte or glossy finish. With a +/- 30° visible angle, the filter helps maintain privacy without sacrificing clarity for direct viewers. Additionally, the filter is equipped with blue light reduction and an anti-reflection coating to enhance eye comfort during extended use. Installation is straightforward, utilizing both adhesive and hinge tabs for secure attachment.