21.5” Privacy Screen Filter Anti Glare Blue Light for 16:9 Monitor Shield Spy

21.5” Privacy Screen Filter Anti Glare Blue Light for 16:9 Monitor Shield Spy **Open box purchase-appears new/unused/still in packing** 1 pack-1 screen only SEE LAST PHOTO FOR DIRECTIONS TO MEASURE MONITOR SIZE! Dimensions: Width: 18 3/4" (477 mm), Height: 10 9/16" (268 mm), Diagonal: 21.5" (546.1 mm)- Aspect Ratio 16:9. computer privacy filters are designed to be perfectly compatible with HP, Samsung, Dell, Lenovo, Acer, Asus, LG, ViewSonic and other brands of monitors. Please check the width and height dimensions of your computer screen before ordering. If you have any questions about the dimensions, please contact us. Enhances privacy protection: 21.5 inch computer privacy filter keeps your electronic information confidential, making it excellent for use in high traffic areas. the computer privacy screen 21.5 inch is designed with advanced microlouver technology to block visibility at around 30 degrees and black out screens completely near 60 degrees. Better Clarity: 21.5” computer privacy screen Shield adds an extra layer of AR Ultra HD light transmission compared to others. It maintains the high definition of the screen without sacrificing too much screen brightness. It won't reduce the brightness and cause eye fatigue because of the privacy screen installed on the screen. Eye protection: This blackout privacy screen greatly reduces eye strain and minimizes potential hazards to vision. It filters 99.9% of UV rays and suppresses 98% of blue light. As a reversible 21.5