Penn Plax Cascade Canister Filters provide crystal clear water for fresh and marine aquariums. Filter media is included free with each canister filter so you can start getting clean, clear, healthy water right away.
This heavy-duty external filter delivers powerful mechanical, chemical, and biological filtration for crystal clear water in fresh or marine aquariums. The Floss Pad removes fine particulate matter while the activated carbon media removes toxins and impurities. The Coarse Sponge provides abundant surface for promoting bacterial growth to remove harmful ammonia and nitrates. All applicable tubing is included with this filter.