Well six 2217 Eheims running for 20 plus years with never a replacement part needed and still run whisper quiet and huge MEDIA space for whatever one needs or wants says it is the Best filter for the money, longevity and peace of mind one can buy in the aquarium hobby so the Classics are that for a REASON.
That isn't fair though... Most other canister models haven't even been around for as long as some of my own eheim's have run. We need to wait for the others to be around for 30 years then we can make more of a judgment. Of course that won't happen because Fluval changes their models every few years.
I dont think you can go wrong with any of those filters, all three have good reputations. Figure out flow rate/media volume/price and see which one suits your need's.
I have owned and run many of the major brands of canister, and none have ever lasted as long, nor kept a tank as healthy as an Eheim. The reason people say things like that are because they are the best.
We need to wait for the others to be around for 30 years then we can make more of a judgment. Of course that won't happen because Fluval changes their models every few years.
