PUREFLOW 2002 BMW 540i Cabin Air Filter with HEPA and Antibacterial Technology, PC5509HX YGroup_RZ19206 1997 Ford F-250 5

1997 Ford F-250 5

2017-16 Mercedes-Benz GLE550 4

2019-17 Mercedes-Benz GLS550 4

2013-09 BMW 335i xDrive 3

PUREFLOW 2002 BMW 540i Cabin Air Filter with HEPA and Antibacterial Technology, PC5509HX YGroup_RZ19206 1997 Ford F-250 51st 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