Miscellaneous Electronics
Blue Light Blocking Screen Protector Panel for 19, 19.5 inch Diagonal PC Anti-UV Eye Protection Filter Film - Widescreen Laptop and Monitor Frame Hanging Type (W 17.3" X H 11.4") [1 Pack]
Ideal Fit: Blue light screen for monitor fits screens sizes of 19"-19.5". Actual filter size: Width: 17.3 inches (440mm), Height: 11.4 inches (290mm). Ideally compatible with HP, Samsung, Dell, ASUS, LG, Huawei, MSI, and other monitor and laptop...
https://www.bizrate.co.uk/miscellaneouselectronics/blue-light-blocking-screen-protector-oid17347942898.html