3M Framed Desktop Monitor Privacy Filters offer outstanding privacy protection; allowing only those directly in front of the monitor to see on-screen data. Anti-reflective surface reduces screen glare. Fits 23.6" to 24" diagonally measured LCD widescreen desktop monitors. Actual filter viewing area dimensions are 20 7/8" wide x 13 1/8" high (530mm x 333mm). Two easy-to-use attachment methods - 3M Command adhesive and attachable hanger arms. Helps protect the display from scratches and fingerprints. Easy to clean surface is smudge-resistant and repels permanent marker.