We have free "cabin air filters" for the following VW vehicles;

Volkswagen/Audi
01-05 Passat (new body) or 99-05 Golf (new body, Gen4) or 00-05 TT (coupe/roadster)
98-01 Passat or 96-01 A4 (Gen1)

For more details please follow the link. Thanks.

http://www.automotiveforums.com/vbulletin/showthread.php?p=4572332#post4572332

Jeff