Original Husqvarn 562XP / 562XPG air filter.
This one is easily replaceable.

4 Types:

Black 80 µm
Yellow 44 µm
Orange 25 µm
Felt

This is the density of the air filter, the figure for µm, is the number of air holes per centimeter.

When you remove the filter and look at the carburettor in the hole and see extreme dirt, we recommend the orange or white filter.