The Hagen A412 is an aquarium filter system suitable for tanks of the following size:
The Fluval G6 Advanced Aquarium Water Filter System features a combination of mechanical, chemical, and biological filtration to keep your aquarium water clean and clear. This Fluval G6 system can be used with either freshwater or saltwater tanks. This Fluval G6 filter has an attractive blue backlit display that shows water temperature, flow rate, and water conductivity.
The Hagen A412 specifications: