PUREFLOW 2001 BMW 525i Cabin Air Filter with Antibacterial Technology, PC5509X GLA250 2012-08 Audi S5 4

2012-08 Audi S5 4

Includes four 12x12x1 MERV 11 air filters for routine filter changes in residential HVAC systems

2023-18 Ford F-150 3

or HVAC system while helping maintain efficient heating and cooling performance

2005-02 Buick Rendezvous 3

PUREFLOW 2001 BMW 525i Cabin Air Filter with Antibacterial Technology, PC5509X GLA250 2012-08 Audi S5 41st 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