Cabin Air Filter. POLLENFILT.
Cabin Air Filter. Dust and Pollen Filter.

Cabin Air Filter

Cabin Air Filter - Repair or Replace
If the air coming out of your vents smells a little funny—like mildew or funk—or if your windshield fogs up with the A/C on, your 2010 Volkswagen Passat Wagon may have a clogged cabin filter. Many manufacturers recommend replacing the cabin filter, or pollen filter, as part of its scheduled maintenance.