PUREFLOW 2011 BMW Alpina B7 xDrive Cabin Air Filter with HEPA and Antibacterial Technology, PC4329HX Saturn PureFlow MERV 8 filters help

PureFlow MERV 8 filters help capture common airborne particles that move through furnace

Designed with MERV 11 rated multi-layer filtration media

and pet dander

BALANCED AIRFLOW DESIGN

Its advanced multi-layer filtration helps maintain clean cabin air and consistent HVAC performance for a fresher

PUREFLOW 2011 BMW Alpina B7 xDrive Cabin Air Filter with HEPA and Antibacterial Technology, PC4329HX Saturn PureFlow MERV 8 filters help1st 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