PUREFLOW 2013 Audi A6 Cabin Air Filter with HEPA and Antibacterial Technology, PC4439HX 740i everyday air filtration for your

everyday air filtration for your home

4th Stage: Advanced antibacterial micro technology reduces biofouling by suppressing the growth of algae

2016-13 Mercedes-Benz GL550 4

2009-07 Mercedes-Benz SLR McLaren 5

2006 Mercedes-Benz S65 AMG 6

PUREFLOW 2013 Audi A6 Cabin Air Filter with HEPA and Antibacterial Technology, PC4439HX 740i everyday air filtration for your1st 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