PUREFLOW 2018 Ford F-450 Super Duty Cabin Air Filter with HEPA and Antibacterial Technology, PC8214HX Model_SLK350 Includes four 17x21x1 MERV 11

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

High-efficiency MERV 13 construction captures smaller airborne particles than many standard filters

2011-09 BMW 335d 3

2009-05 Subaru Legacy 2

2021-20 Mercedes-Benz Sprinter 2

PUREFLOW 2018 Ford F-450 Super Duty Cabin Air Filter with HEPA and Antibacterial Technology, PC8214HX Model_SLK350 Includes four 17x21x1 MERV 111st 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