PUREFLOW 2018 Audi Q7 Cabin Air Filter with HEPA and Antibacterial Technology, PC99334HX YGroup_PC99415X 2000 Saturn LW2 3

2000 Saturn LW2 3

2003-01 Infiniti QX4 3

2016-09 Audi A4 2

2005-03 Mercedes-Benz S55 AMG 5

2018-08 Smart Fortwo 1

PUREFLOW 2018 Audi Q7 Cabin Air Filter with HEPA and Antibacterial Technology, PC99334HX YGroup_PC99415X 2000 Saturn LW2 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