PUREFLOW 2021 BMW M440i xDrive Cabin Air Filter with HEPA and Antibacterial Technology, PC99458HX PC99893X and bacteria on the filter

and bacteria on the filter

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

PUREFLOW HEPA (High Efficiency Particulate Air) offers 99

Most vehicles will take less than 10 minutes to replace

PUREFLOW 2021 BMW M440i xDrive Cabin Air Filter with HEPA and Antibacterial Technology, PC99458HX PC99893X and bacteria on the filter1st 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