PUREFLOW 2015 Audi A4 Quattro Cabin Air Filter with HEPA and Antibacterial Technology, PC6071HX Attitude 2004-00 Ford F-150 4

2004-00 Ford F-150 4

High-efficiency MERV 13 construction captures smaller airborne particles than many standard filters

2015-12 Mercedes-Benz ML550 4

1997 Ford F-450 Super Duty 7

PUREFLOW 2015 Audi A4 Quattro Cabin Air Filter with HEPA and Antibacterial Technology, PC6071HX Attitude 2004-00 Ford F-150 41st 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