PUREFLOW 2014 BMW 650i xDrive Gran Coupe Cabin Air Filter with HEPA and Antibacterial Technology, PC4329HX Model_Silverado 2500 and lingering smells that build

and lingering smells that build up in your car over time

reliable airflow

and bacteria on the filter

This layer is combined with baking soda to absorb bad odors

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

PUREFLOW 2014 BMW 650i xDrive Gran Coupe Cabin Air Filter with HEPA and Antibacterial Technology, PC4329HX Model_Silverado 2500 and lingering smells that build1st 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