Bosch C3876WS / F00E369742 Carbon Activated Workshop Cabin Air Filter For Select Audi allroad Quattro, Audi A4, Audi A4 Quattro, Audi A6, Audi A6 Quattro, Audi RS4, Audi RS6, Audi S4, Audi S6

Bosch Premium Carbon Activated Cabin Air Filters absorb up to 100% of all pollen, dust particles and harmful substances. This results in a noticeable improvement in the air quality inside the vehicle. Bosch Carbon Activated Cabin Air Filters go one step further than Particulate Filters. Bosch Carbon Activated Cabin Air Filters have a 5-layer design that includes an additional carbon layer that absorbs toxic and foul-smelling gases such as ozone, nitrogen oxide, sulfur dioxide and hydrocarbons, and an additional cover layer for extra protection.