PUREFLOW 2012 BMW X3 Cabin Air Filter with HEPA and Antibacterial Technology, PC99242HX RZ18106 2013-10 Mercedes-Benz S400 3

2013-10 Mercedes-Benz S400 3

2013-07 BMW 328i 3

2009-04 Lexus GX470 4

2007-00 Dodge Caravan 2

2009-01 Volvo S60 2

PUREFLOW 2012 BMW X3 Cabin Air Filter with HEPA and Antibacterial Technology, PC99242HX RZ18106 2013-10 Mercedes-Benz S400 31st 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