PUREFLOW 2018 BMW X3 Cabin Air Filter with HEPA and Antibacterial Technology, PC99458HX pid_19908658 1st Stage: For drivers and

1st Stage: For drivers and passengers who suffer from severe allergies

97% efficiency

HEPA-Level Filtration For Cleaner Air: Captures up to 99

Advanced multi-layer media supports fresh cabin air and balanced HVAC performance for a more comfortable driving experience—without added fragrance

PUREFLOW 2018 BMW X3 Cabin Air Filter with HEPA and Antibacterial Technology, PC99458HX pid_19908658 1st Stage: For drivers and1st 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