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 19 7/16 viewing screen and a 16:9 aspect ratio. Actual filter dimensions are 17 wide x 9 5/16 high (433 mm x 237 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 cloth. Compatible with most touchscreen displays.