Note, the filter does not filter recirculated air, just the fresh air coming from outside. While I had it apart, I set the control to both panel/AC and max AC; max AC (which recirculates) drew nothing through the filter. It's pretty much just for pollen and outside pollutants. Thanks for the info on changing this, it was the original one and I could make soup out of it!
BillR
2000 Contour SE CNG/Gasoline Bi-fuel w/24k miles...