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Review on Bosch 6018C HEPA Cabin Filter by Harald Patterson

Revainrating 3 out of 5

HEPA filtration but noise and limited airflow

Ideal for Mazda CX-9. Definitely restricts airflow; You need to turn the fan another 2-3 steps so that it blows with the same intensity. There is also an audible sound behind the dashboard when air hits the filter. If you want HEPA, this is a compromise. Back to normal cabin filters.

Pros
  • Meltblown electrostatic layer and high density media provide better capture capabilities; An additional layer of static cotton added to the HEPA material ensures high retention of fine particles.
Cons
  • Working speed