- PF24.0W fits widescreen desktop LCD monitors with a 24.0" viewing area; - Actual filter dimensions are 20.043" wide x 12.780" high; - This filter is designed for widescreen LCD desktop monitors with screens that appear more rectangular than square; - Utilizes 3M's microlouver privacy technology so only persons directly in front of the monitor can see the image on-screen; - Passersby see only a dark screen; helps keep confidential and private information private; - Reversible for either glossy or matte screen finish; - Reduces reflections when used with the matte side facing you; - Protects fragile LCD screens from scratches and fingerprints; - Easy-on easy-off attachment system.