Framed Desktop Monitor Privacy Filter offers outstanding privacy protection, allowing only those directly in front of the monitor to see on-screen data. Anti-reflective surface reduces screen glare. Filter fits 18.4" to 19" diagonally measured wide-screen LCD desktop monitors. Actual filter viewing area dimensions are 16-5/8" wide x 10-9/16" high (423mm x 269mm). Attach with two easy-to-use methods: 3M Command adhesive and attachable hanger arms. Filter helps protect the display from scratches and fingerprints. Easy-to-clean surface is smudge-resistant and repels permanent marker.