PUREFLOW 2015 Nissan 370Z Cabin Air Filter with HEPA and Antibacterial Technology, PC4099HX Model_A3 Sportback e-tron 2014-13 Audi A4 Quattro 3

2014-13 Audi A4 Quattro 3

2011-08 Mercedes-Benz S450 4

2006-03 Mercedes-Benz E500 5

97% efficiency

2005-01 Mercedes-Benz C240 2

PUREFLOW 2015 Nissan 370Z Cabin Air Filter with HEPA and Antibacterial Technology, PC4099HX Model_A3 Sportback e-tron 2014-13 Audi A4 Quattro 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