This is the part you take out when changing the main brush roller in your machine.
It is located on the left hand side when looking at the front of the machine.
Note - On the X5 this is the cover to the long brush roller, left hand side when looking from the front.
Check the compatible with list to see what machines this part fits.
Note: Press Crtl + F on Windows or CMD + F on Mac then search for your model to see if its in the list below.