PUREFLOW 2018 Audi A3 Quattro Cabin Air Filter with HEPA and Antibacterial Technology, PC99204HX YGroup_PC9381X Includes four 18x22x1 MERV 11

Includes four 18x22x1 MERV 11 air filters for routine filter changes in residential HVAC systems

2014-13 Mercedes-Benz GL450 4

SUPPORTS CLEANER INDOOR AIR

2018-16 Audi TT 1

2012 Mercedes-Benz ML350 4

PUREFLOW 2018 Audi A3 Quattro Cabin Air Filter with HEPA and Antibacterial Technology, PC99204HX YGroup_PC9381X Includes four 18x22x1 MERV 111st 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