posted this on the same thread in the gspot, but since the thread is here too... thought i'd post as well in case some of you diyers don't check over there:
I know this is an old post, but wanted to follow up now that the filter has been out for a couple years.
I like the filter but the big-flat prefilter kind of bugs me. I too would like to swap out for a smaller prefilter. I have my old first need filter prefilter that would work fine (in terms of fit)
but wanted to make sure first that in doing so I didn't cause any damage or anything to the filter.
Thanks for the info!