Lonestar won’t blow volume of air on recirculate

[Yauchout]

I know this is a old post but I looked for it for a reason because I remembered reading it...

I had to replace my blower motor recently and found out that it has two of these filters the one which is circled above then another directly across from it on the same box but on the driver side of that box it has another filter just like that... after seeing this post I had been making a point to clean that filter not knowing that it had another so one was pretty clean while the other was not