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 27 1/16" viewing screen and a 16:9 aspect ratio. Actual filter dimensions are 23 9/16" wide x 13 1/4" high (598 mm x 337 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. Supplied by Hypertec.