Sponge filters are a biological filtration that builds up a colony a good bacteria that breaks down the ammonia and nitrite as water passes though them and also collect detritus to help keep a clean aquarium.
Uses air via a uplift system to draw water through the sponge. A low wattage air pump using air system and doubles oxygenating the water. Simply connect to a air pump (Not included).
Super aquarium sponge filter
The special developed foam materials supports the colonization of bacteria,allowing for mechanical filtration in addition to biological filtration which will break down harmful waste ammonia and nitrite material resulting in a cleaner living environment for your fish. Particular they are useful for as breeding filter or as secondary filter.
Feature and benefit: