PUREFLOW 2015 Audi A6 Cabin Air Filter with HEPA and Antibacterial Technology, PC4439HX RZ17063 and everyday household particles for

and everyday household particles for reliable residential HVAC filtration and routine indoor air filter replacement

Includes four 20x25x1 MERV 11 air filters for routine filter changes in residential HVAC systems

MERV 8 FILTRATION PERFORMANCE

2022-15 Seat Leon 1

2002-01 Mercedes-Benz S600 5

PUREFLOW 2015 Audi A6 Cabin Air Filter with HEPA and Antibacterial Technology, PC4439HX RZ17063 and everyday household particles for1st 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