PUREFLOW 2021 GMC Sierra 2500 HD Cabin Air Filter with HEPA and Antibacterial Technology, PC4211HX YGroup_PC5530X 2011 BMW 1 Series M

2011 BMW 1 Series M 3

clean air without adding scent

2017-13 Suzuki Swift 1

2020-17 BMW 430i xDrive 2

2007-06 Chevrolet Monte Carlo 5

PUREFLOW 2021 GMC Sierra 2500 HD Cabin Air Filter with HEPA and Antibacterial Technology, PC4211HX YGroup_PC5530X 2011 BMW 1 Series M1st 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