PUREFLOW 2022 Audi SQ5 Cabin Air Filter with HEPA and Antibacterial Technology, PC99334HX pid_19908712 Includes four 16x24x1 MERV 11

Includes four 16x24x1 MERV 11 air filters for routine filter changes in residential HVAC systems

2009-08 Hummer H2 6

97% efficiency

Optimal Air Flow: Designed to minimize pressure drop from high-efficiency filtration

2011-10 Mercedes-Benz ML350 3

PUREFLOW 2022 Audi SQ5 Cabin Air Filter with HEPA and Antibacterial Technology, PC99334HX pid_19908712 Includes four 16x24x1 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