Re: DIY Dust collection with squirrel cage fan

>My current iteration
>has a stack of 10 cheap filters plus a fine final filter, but that seems
>to be overkill.  Most of the dust gets trapped in the first few.  I'd
>recommend 4 to 6 plus a fine one.

I agree.  With the air cleaner I built, I use 4 plus a fine and it seems to
work fairly well,  The first three coarse catch the bulk of the retained
material

Kip Powers
Rogers, AR