PUREFLOW 2009 GMC Sierra 3500 HD Cabin Air Filter with HEPA and Antibacterial Technology, PC9957HX Entourage 2018-16 Mercedes-Benz C350e 2

2018-16 Mercedes-Benz C350e 2

2018-17 Audi A7 Quattro 2

2010-06 Volkswagen Beetle 2

2020-12 Chevrolet Sonic 1

PUREFLOW 2009 GMC Sierra 3500 HD Cabin Air Filter with HEPA and Antibacterial Technology, PC9957HX Entourage 2018-16 Mercedes-Benz C350e 21st 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