3M™ 21" Widescreen LCD Privacy and Anti-Glare Computer Filter

Helps reduce mirror-like reflections from bright lights to help keep what’s on your monitor clear and visible.

See clearly
Incredible technology diffuses light and reduces glare so your screen is easier to see in challenging and changing indoor lighting conditions.This filter not only reduces glare and mirror-like reflections in high-glare situations, it also protects your monitor from dirt, debris and scratches.The filter also comes with a soft cleaning cloth that erases fingerprints and makes it easy to keep your computer screen looking brand new. Apply this 3M monitor anti-glare filter to your computer with ease using the removable and re-attachable adhesive strips.

Designed to fit LCD monitors with a diagonally measures 20-3/16" viewing screen and a 16:10 aspect ratio. Lightweight, thin, frameless design.

Tips for Optimizing Use:

For the highest clarity, view your screen through the glossy side of the 3M Privacy Filter. When working in high ambient light, reduce glare by viewing your screen through the matte side.

MEASURING TO DETERMINE MONITOR SCREEN SIZE:

Measure the height and width of the screen's viewable area if you have a Rasied Bezel monitor. Measure the height and width of the entire glass display from edge-to-edge if you have a Flat Front Glass monitor. For a proper fit, do not include the monitor or laptop frame or casing in your measurement. The PF20.1W is made to fit monitors measuring 17-1/8" w x 10-11/16" h (434 mm x 272 mm).