The 3M PF240W9B Black Privacy Filter is designed to fit a 11.8" x 20.9" 24" widescreen monitor, providing a matte/anti-glare finish to enhance visibility while maintaining privacy. Manufactured in the United States, this filter comes with a 1-year manufacturer warranty and is compatible with a universal range of products. With a sleek black color and dimensions of 11.8" x 20.9", this privacy filter is a convenient and efficient solution for enhancing the viewing experience on your monitor.