Serenity Sponge Bio Filter Nano 5.5cm X 4.5cm SMXY-2835

Serenity Sponge Bio Filter Nano 5.5cm X 4.5cm SMXY-2835 Biological FiltrationAir DrivenSponge size 5.5cm X 4.5cmSuitable for Aquariums up to 40 litres 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 filterUse environmental sponge as filter mediaSuitable for all Aquariums tanksWith a airlift system,super biochemical sponge filter feature silent operation, and has an excellent filtering effect while oxygenating the water. The special developed foam materials supports the colonisation 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:Supplying water with much needed oxygenIt is low noise and a air pump consumes a low wattageMost fit to external or top filter as pre-filtration unitNo dead spots in cylinder foam offers increased filtration.Easy maintenance is made by nodular design of foam cartridge system.