. 3M Anti-Glare Filters help reduce glare and mirror-like reflections. Its lightweight thin frameless design is easily applied and reapplied numerous times with no bubbles. Designed to fit widescreen desktop LCD monitors with a diagonally measured 24.0 viewing screen and a 16 9 aspect ratio. Actual filter dimensions are 20 15/16 x 11 13/16 (531 mm x 299 mm). Protects screen against scratches. Attaches with optically clear adhesive strips that can easily be applied and reapplied numerous times. Easy to clean; includes cleaning clothKey Product Info . Diffuses light so your screen is easier to see in challenging and changing indoor lighting conditionsHelps reduce mirror-like reflections from indoor bright lightsEnjoy a clear screen in brightly lit indoor areas even near windowsCompatible with most touchscreen displaysLightweight thin frameless designGives screens an added layer of durable protection from dust and scratchesMatte surface cleans easily and hides fingerprintsAttaches with optically clear adhesive strips or easily removable slide mount tabs100% hand inspected for quality assurance