The Rena Filstar canister filter is one of the best values out there. It is quiet. It's reliable. It's easy to set up and prime and moves allot of water.

The filter media baskets can be customized to hold just about anything. You can add chemical, mechanical or biological media.

It's available in four different sizes.
xp1 1 media basket 250 gph
xp2 2 media basket 300 gph
xp3 3 media basket 350 gph
xp4 4 media basket 400 gph

The media baskets of the xp1 though xp3 are interchangeable.