APPLICATION: With super compressed air system, the filter has excellent effect on adding oxygen to water and quiet operation, physical filtration combined with biochemical filtration. BENEFIT: This filter is excellent for small fish such as dwarf cichlids, guppies, killifish, shrimp, etc., or for hatcheries, nurseries, nano-tanks and fry. / p> UNIQUE DESIGN: Simply install an overhead line in the unit and provide both aeration and physical filtration combined with biochemical filtration for your fish. They are particularly useful for rearing small fish Material: Plastic