PUREFLOW 2009 Nissan GT-R Cabin Air Filter with HEPA and Antibacterial Technology, PC4479HX M235i 2013-09 BMW 335i xDrive 3

2013-09 BMW 335i xDrive 3

2023-18 Ford F-150 3

2009-04 Kia Spectra 2

2018-11 Audi A1 1

2000 Saturn LS 2

PUREFLOW 2009 Nissan GT-R Cabin Air Filter with HEPA and Antibacterial Technology, PC4479HX M235i 2013-09 BMW 335i xDrive 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