The Privacy Filters PF24.0W9 are designed to fit 16:9 aspect ratio widescreen desktop monitors with a viewable screen size of 18.1". Using 3M™ microlouver technology the filter gives full 60o privacy protection on either side. - 3M™ microlouver privacy technology provides privacy screen protection for sensitive data. - Reversible glossy or matte screen finish. Matte screen finish reduces discomfort from screen glare. - Two easy on, easy off attachment systems. Simple to remove for easy screen sharing.