3M Privacy Filter for 17" Standard Monitor (5:4) (PF170C4B) Keeps your personal or confidential information safe from prying eyes You'll see the information on your display while people on either side only see a darkened screen and Reduces 35% of blue light transmission from the display. Designed to fit standard desktop LCD monitors with a diagonally measured 17 1/16" viewing screen and a 5:4 aspect ratio Actual filter dimensions are 13 5/16" wide x 10 11/16" high (338 mm x 271 mm) Matte surface helps reduce glare and hide fingerprints.Designed to seamlessly fit within the raised bezel of your device Landscape orientation. Touch not compatibe. Scratch resistant. Reduces 35 percent of blue light transmission from the display Fits screen sizes of 17" diagonaly measured (Width 13 3/8",Height 10 5/8") Protects on screen data when viewed from the side keeping your electronic information confidential making it excellent for use in high traffic areas. Provides 1.5 times more effective privacy than competitive models. Helps protect your fragile LCD screen from damage Filter is reversible;Choose glossy or matte side