The K&N washable cabin air filter for 2021+ Audi Q4 e-tron and 2019–2022 Volkswagen ID.3 is designed to protect vehicle occupants and the HVAC system from pollutants and odors using reusable filtration media. Built to be washable and durable, it offers long-term service life compared with disposable filters. The design emphasizes lasting performance and reduced waste while maintaining cabin air quality over the vehicle's lifespan.
K&N 2021+ Audi Q4 e-tron / 19-22 Volkswagen ID.3 Cabin Air Filter