PUREFLOW 2017 BMW 440i xDrive Gran Coupe Cabin Air Filter with HEPA and Antibacterial Technology, PC4255HX Stinger 2011 BMW 1 Series M

2011 BMW 1 Series M 3

2016 Mercedes-Benz GL63 AMG 5

2010-05 Jeep Grand Cherokee 3

Includes four 20x30x1 MERV 11 air filters for routine filter changes in residential HVAC systems

2010 Buick Allure 3

PUREFLOW 2017 BMW 440i xDrive Gran Coupe Cabin Air Filter with HEPA and Antibacterial Technology, PC4255HX Stinger 2011 BMW 1 Series M1st 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