Huion GT-191 Screen Protector ♥♥♥

Today I've installed the Huion Official Screen Protector for GT-191® and... it's awfully rough and blurry. I've had the patience and discipline of a goddamn japanese, cleaning the screen of all the dirt and installing it in the right way to minimize the number of bubbles... but there's nothing I can do about it.
And I've bought 5 of them.
I've paid $230 for this disaster. Can't draw. Can't even look at it. I want to go back to the previous one!
Guess I'll buy a notebook 15.6'' screen protector, which will be smaller but one thousand times better (and cheaper) than these.... things.