Protective film on x61t screen?

[mrhardware]

Does anybody know if it's really a protective film on this screen? Compared to an X60t, my screen now has small air bubbles, and it easily gets smudgy, and the X60t is all clean all the time and without bubbles. On the X60t you can actually reach the edge of the Wacom board and take the film off with your nails, but this is not possible on the X61t.

Any tips?