Venus aqua internal power filter internal aquarium filter is designed for submersible use and can be used in fresh aquarium tank. The filter comes complete with venture aeration nozzle attachments included that can be used separately with outlet having the feature of adding further aeration to your fish tank. Maintenance of this unit is as simple as removing the bottom filter compartment and cleaning the included filter foam. With the bottom compartment removed you will also have easy access to the impeller for cleaning / maintenance purposes. Complete biological and mechanical filtration system to maintain the water quality Suitable for water-circulation, biochemical water filtering and adding oxygen into the water in various aquariums and zoology jars Venus Aqua pet products, Fish Aquarium Internal Filter. Suitable for all aquarium Venus aqua internal power filter internal aquarium filter is designed for submersible use and can be used in fresh aquarium tank..Suitable for 30 CM plus height aquarium tanks,Compact structure, beautiful aspect, simple assembly, and easy operation,,Venus Aqua, aquarium filter, Filter Cleaning Easy Fish Tank & Filter Cleaning Venus aqua internal power filter internal aquarium filter bottom compartment removed you will also have easy access to the impeller for cleaning / maintenance purposes Remove sponge and clean with water