Features: 1.COMPATIBLE: 17 inch computer screen filter is compatible with 17 inch monitors from for HP, for Dell, for Acer, for Asus, for ViewSonic and other brands. 2.CLEAR VIEW: Laptop filter appears dark when looking at the screen from a certain angle (angle of about 30 to 60) but bright when looking directly at it, to change the private angle from 60 to 30 degrees, simply adjust the brightness levels of the monitor. 3.EYE PROTECTION: Computer screen filter protects your eyes by filtering 96% of UV rays and suppressing 65% of blue light, reversible, giving you the flexibility to choose between glossy or matte surfaces, choose matte to minimize external dazzing. 4.ANTI SCRATCH: 17 inch laptop private screen filter is made of PET material, which is anti dazzing and anti scratch, providing you with the best viewing experience, easy to install, only takes 30 seconds to install. 5.APPLICATIONS: Screen protector is perfect for maintaining screen private in high traffic areas such as open workspaces, airports, airplanes, coffee shops, office environments, financial institutions, and other public places. specification:Item Type: 27 Inch Computer Screen Filter Material: PET Product Size: 17inch (Approx. 339 x 271mm / 13.3 x 10.7in) PackageList: 1 x Protective Film 1 x DustFreeCloth 2 xAdhesive 12 x Double SidedAdhesive NotePlease confirm the measurement of the width and height of your computer screen before ordering.