Serenity Nano Sponge Filter SMXY2835 Air OperatedThe Serenity Nano Sponge Filter SMXY2835 is a mechanical and biological filter that adds oxygen to the water while supporting colonisation of bacteria to assist with the breakdown of harmful waste like ammonia. Provides your fish with a cleaner living environment.Biological FiltrationAir DrivenSponge size 5.5cm X 4.5cmSuitable for Aquariums up to 40 litresThis filter is air operated and needs an air pump to run it. Air pumps are sold separately.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 an air pump (Not included).
