PUREFLOW 2020 Chevrolet Malibu Cabin Air Filter with HEPA and Antibacterial Technology, PC4211HX pid_19908654 2019-14 Audi A3 1

2019-14 Audi A3 1

2018 BMW 318i 1

2005-04 Cadillac CTS 5

This layer is combined with baking soda to absorb bad odors

PUREFLOW 2020 Chevrolet Malibu Cabin Air Filter with HEPA and Antibacterial Technology, PC4211HX pid_19908654 2019-14 Audi A3 11st Stage: For drivers and passengers who suffer from severe allergies, PUREFLOW HEPA (High Efficiency Particulate Air) offers 99. 97% efficiency, capturing microscopic pollutants including pollen and other allergens (may result in a minor restriction to airflow). 2nd & 3rd Stage: Activated charcoal adsorbs harmful gases like carbon monoxide and sulfur dioxide. This layer is combined with baking soda to absorb bad odors. 4th Stage: Advanced