PUREFLOW 2021 BMW M550i xDrive Cabin Air Filter with HEPA and Antibacterial Technology, PC99244HX pid_7891890 2011-06 BMW 323i 2

2011-06 BMW 323i 2

2023-20 Cadillac CT4 2

2014-07 Mercedes-Benz CL600 5

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PUREFLOW 2021 BMW M550i xDrive Cabin Air Filter with HEPA and Antibacterial Technology, PC99244HX pid_7891890 2011-06 BMW 323i 21st 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