The Oase FiltoSmart External Aquarium filter is suitable for aquariums with a volume of 60 to 300 litres (depending on model) and with a moderate fish population. With multi-step, mechanical/biological filtering and a large filter surface as well as a water flow rate from 300 to 1000 l/h (depending on model), crystal clear water is guaranteed. It runs quietly and energy-efficiently. The FiltoSmart range is sold as a complete set with filter media, hoses, adapter, suction and discharge pipes and water diffuser.