PUREFLOW 2008 Mitsubishi Lancer Cabin Air Filter with HEPA and Antibacterial Technology, PC5530HX Metris 2014 Toyota Prius 1

2014 Toyota Prius 1

2017 Audi A7 2

1997 Ford F-450 Super Duty 7

2006-05 Pontiac Montana 3

Includes four 17x21x1 MERV 11 air filters for routine filter changes in residential HVAC systems

PUREFLOW 2008 Mitsubishi Lancer Cabin Air Filter with HEPA and Antibacterial Technology, PC5530HX Metris 2014 Toyota Prius 11st 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