The new Eheim Internal filter aquaball 180 is an ideal filter for use in aquaria from 80 up to 180 litres content. In a single operation, the Eheim aquaball 180 ensures the mechanical-biological cleaning of the aquarium water with permanent circulation, specific surface movement and controllable oxygen supply.Thanks to the pump head that rotates in three dimensions, it is possible to adjust the outflow direction. The output regulator determines the desired flow rate and the air enrichment can be regulated using the diffusor or nozzle tube. The foam cartridge inside the filter canister ensure the mechanical cleansing and simultaneous biological clarification of the water. A filter sponge is additionally fitted into the filter box to further intensify the mechanical cleaning effects when heavy soling is present. This filterbox can also be used for a fine filter pad, filter granulate or active carbon. The new Easy-Click-System enables a simple unlocking of the filter basket. The practical