PUREFLOW 2009 GMC Yukon XL 1500 Cabin Air Filter with Antibacterial Technology, PC9957X Model_Silverado 1500 HD 2001-96 Audi A4 Quattro 2

2001-96 Audi A4 Quattro 2

2014-13 Mercedes-Benz GL450 4

2007-03 Saturn Ion 2

including sub-micron particles

2016-10 Buick LaCrosse 2

PUREFLOW 2009 GMC Yukon XL 1500 Cabin Air Filter with Antibacterial Technology, PC9957X Model_Silverado 1500 HD 2001-96 Audi A4 Quattro 21st Stage: Particulate filtration media captures and eliminates matter such as dust and pollen. Electrostatically charged to attract and lock fine particles of dust while allowing high flow and high capacity. 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 antibacterial micro technology reduces biofouling by suppressing