Serenity Sponge Filter Small SMXY180 Air Operated Serenity Sponge Filter Small SMXY180 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 8cm X 6.5cmSuitable for Aquariums up to 100 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 an 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).
