Feature●COMPATIBLE with Audi Q5 2018-2021, Q7 2017-2019, A4 Quattro 2017-2020, A4 2017-2020, SQ5 2018-2021, Q8 HYBRID 2019-2020, A6 Quattro HYBRID 2019-2021, A5 Quattro 2019-2020, A4 allroad 2017-2020, e-tron Quattro 2019-2021, A5 Sportback 2019-2020●A7 QuattrHYBRID 2019-2020, A8 QuattrHYBRID 2019-2020, Q7 HYBRID 2020-2021, A6 Quattr2019-2021, S4 2019-2021, RS5 Sportback 2019-2021, Q5 PHEV HYBRID 2020-2021, RS5 2019-2021, S5 Sportback 2019-2021, S7 HYBRID 2020, S6 HYBRID 2020●REPLACES ACDELCO CF3365C, PORSCHE PAB 819 439 00, PUROLATOR C31391C, VW / AUDI 4M0 819 439A, 4M0 819 439B, WIX WP10337●HELPS PREVENT PREMATURE WEAR on your cars HVAC (air conditioning and heating) system blower by promoting good airflow inside the car. Replace per manufacturer recommendations or when existing cabin air filter inhibits airflow.Description ECOGARD XC10582C COMPATIBLE with 2017 Audi A4 allroad, 2017 Audi Q7. Do you have a musty odor in your vehicle? Do you have allergies? Is your vehicle exposed to a large amount of road dust? Try changing your cabin air filter. Installations, depending on your vehicle, can take as little as five minutes. Car manufacturers recommend changing your cabin air filter every 12,000-15,000 miles. If your vehicle is exposed to a considerable amount of road debris, ECOGARD recommends changing your cabin air filter once in the Spring and Winter.Custom installation instructions included Improves air quality in your vehicle by 99.5% All products are designed with the installer in mind Premium filtering efficiency