The antibacterial cabin filter prevents allergens and fine dust particles from entering the car Retains air pollutants such as ozone and exhaust emissions while filtering out foul-smelling gases Filter+ reduces fogging of the windscreen The fine dust filter protects the air conditioning of the car from dust and dirt Easy installation (see PDF instruction manual). Please use the vehicle identification to confirm compatibility with your vehicle. All restrictions must be observed. All work should only be carried out by trained specialists