Hello..
I'm going to get an Eheim canister filter for my 29gal in the very near
future.
Does NE1 have the following filters?What exactly are the differences?Does the
Ecco2213 use sponges only?The 2213 looks like a "classic" canister filter
without media racks.
Any recommendations, opinions?

ECCO 2213
2213
Prof 2222

N8 Goetz