LCD Privacy Filter PF20.1 Fits 20.1" standard LCD desktop monitors. Features PF20.1 fits standard desktop LCD monitors with a 20.1" viewing area Actual filter dimensions are 16.12" high x 12.1" wide This filter is designed for non-widescreen LCD desktop monitors with screens that appear more square than rectangular and have a 4 x 3 aspect ratio 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 New easy-on easy-off attachment system One year warranty from date of purchase Specifications:Anti-Reflective Yes Durable Screen Protection Yes Fits LCD Monitor Size 20.07 Inch Privacy Screen Yes Screen Diagonal Measurement 20.07 Inch Screen Format Standard Screen Warranty Period 1 Year from Date of Purchase