PUREFLOW 2011 Cadillac Escalade ESV Cabin Air Filter with HEPA and Antibacterial Technology, PC9957HX Model_Monte Carlo 2015-10 BMW X1 3

2015-10 BMW X1 3

2020-17 BMW 430i xDrive Gran Coupe 2

2004-03 GMC Sierra 3500 8

2015-12 Mercedes-Benz ML550 4

2018-11 Smart Fortwo

PUREFLOW 2011 Cadillac Escalade ESV Cabin Air Filter with HEPA and Antibacterial Technology, PC9957HX Model_Monte Carlo 2015-10 BMW X1 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