We'll have a 1 micron version available soon - brewing yeast are larger than that size. Since you feel strongly those beers should be yeast free you could always do a double filtration with the 1 micron filter.
George
In my experience filtering is a matter of time.
Eventually the beer will clear and get to the point I like it sitting in the keg at 30something degrees, but I don't like to wait that long. I could never be a wine maker, not enough patience.
For me, an easy 1 hour of filtering makes a...
I'm the developer/manufacturer of The Clarifier and I'm happy to answer any questions you may have.
Yes it's used after fermentation, then you serve out of the filtered keg or bottle.
A description and discussion of the process is on our website at...