PUREFLOW 2014 Audi A4 allroad Cabin Air Filter with Antibacterial Technology, PC6071X PC99076HX 2018-16 Lincoln MKX 2

2018-16 Lincoln MKX 2

2018-16 Audi A6 1

2015-13 BMW 335i 3

2019 Porsche 911 3

Includes four 18x22x1 MERV 11 air filters for routine filter changes in residential HVAC systems

PUREFLOW 2014 Audi A4 allroad Cabin Air Filter with Antibacterial Technology, PC6071X PC99076HX 2018-16 Lincoln MKX 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