In June 2016 , Audi will begin to equip its compact models with new cabin air filters that do not allow allergic particles entering the vehicle interior. It is interesting that the Germans have developed two new cabin air filter, each of which consists of three layers. One of them has an outer layer impregnated with polyphenol, and the other – a protein modification. According to the brand, the effectiveness of the new filter has been confirmed by independent tests carried out by organizations Fiatec GmbH and SGS Fresenius. The new filters will be equipped with the following models: Audi A1, A3, Q2, Q3 and TT. In addition, the company will provide an opportunity to install filters on vehicles already sold. You can do this is during the service.