PUREFLOW 2022 GMC Sierra Cabin Air Filter with HEPA and Antibacterial Technology, PC4211HX YGroup_PC4211HX 1st Stage: For drivers and

1st Stage: For drivers and passengers who suffer from severe allergies

and other common airborne particles for everyday home air filtration

CONVENIENT 4-PACK REPLACEMENT SET

delivers odor elimination designed to neutralize smells without restricting airflow

These PUREFLOW Home Air Filters are designed to capture dust

PUREFLOW 2022 GMC Sierra Cabin Air Filter with HEPA and Antibacterial Technology, PC4211HX YGroup_PC4211HX 1st Stage: For drivers and1st 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