PUREFLOW 2009 BMW 550i Cabin Air Filter with HEPA and Antibacterial Technology, PC6078HX Escalade ESV 2016 Mercedes-Benz GLE350d 3

2016 Mercedes-Benz GLE350d 3

2019-17 Mercedes-Benz GLS450 3

2019-17 Mercedes-Benz GLS550 4

2011 BMW 1 Series M 3

2013-07 BMW 325i 2

PUREFLOW 2009 BMW 550i Cabin Air Filter with HEPA and Antibacterial Technology, PC6078HX Escalade ESV 2016 Mercedes-Benz GLE350d 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