A classic wet/dry biological filtration & more, because it is only expose to prefiltered water it does not clog & never need. Eliminates toxic ammonia...
Delivers a classic wet/dry biological filtration. Because the wheel is only exposed to prefiltered water they do not clog, and never need to be replac...
Delivers a classic wet/dry biological filtration. Because the wheel is only exposed to prefiltered water they do not clog, and never need to be replac...
