Originally Posted by chevrolet
How to make sure that the ac air in the cabin is free from pollution and impurities.I have a polo.
1. Is the annual service replacemrnt of ac filter enough?
2.Anyone using air purifiers?
May not be a direct answer but following thread can keep the air inside clean and also prolong the life of the AC filter too. DIY Cleaning
Also you can visit 3M where they have some spray + treatment for cleaning the A/C ducts. Not sure of the costs though.