- 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.