> I received my order but it seems I have wrong order because size is little
> bigger then what I have already in my house.(SFM2 but no series# appear on my
> blue container)
> I sent an email to you guys yesterday,and I asked what's different between
> series A or series B.
There is a slight difference between the Series A and Series B, for the Omnifilter SFM2. The Series B version has a bigger canister size, a different bypass valve, and different hookup settings, than the Series A. However, both versions will take the same standard size small filter.
Originally Posted by FiltersFastEmailQuestions