these filters do store a lot, the ones (pair) on my W124 E300 are under the wiper and are a job to change out. But it really cleans up the air in the car, come pollen days, and I can actually breathe easier in my car than my house.

__________________
2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)