Activated Carbon Pollen Cabin Air Filter For Audi A6 C6 4F 2004 - 2011 1968CC BLB BNA CAHA 1984CC BPJ 2.0 TDI TFSI 2393CC BDW Activated Carbon Pollen Cabin Air Filter For Audi A6 C6 4F 2004 - 2011 1968CC BLB BNA CAHA 1984CC BPJ 2.0 TDI TFSI 2393CC BDW. Sale price : $12.25 Category : Automobiles, Parts & Accessories