Photo 1 of EYES PC Blue Light Screen Protector Panel Universal for 22, 21.5, 20 inch Diagonal LED Monitor (W 20.6 X H 12.5). Blue Light Blocking up to 100% of Hazardous HEV Blue Light. Reduces Eye Strain 20", 21.5", 22" DIAGONAL (16:9)

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Photo 1 of EYES PC Blue Light Screen Protector Panel Universal for 22, 21.5, 20 inch Diagonal LED Monitor (W 20.6 X H 12.5). Blue Light Blocking up to 100% of Hazardous HEV Blue Light. Reduces Eye Strain 20", 21.5", 22" DIAGONAL (16:9)Photo 2 of EYES PC Blue Light Screen Protector Panel Universal for 22, 21.5, 20 inch Diagonal LED Monitor (W 20.6 X H 12.5). Blue Light Blocking up to 100% of Hazardous HEV Blue Light. Reduces Eye Strain 20", 21.5", 22" DIAGONAL (16:9)