Nova wrote:

Have you tried a "CleanStream" filter. They too are initially expensive
but I've been running the same one in my Sears shop vac for about 6 years.

I have.

It still clogs.

The beauty of the drywall bag is that the dust cake seems to fall off in
between uses. I like the Cleanstream as a main filter, but the bag is
a great pre-filter.