Marina i25 Internal Filter Brand_Royal Canin The research grade carbon has

The research grade carbon has large amounts of surface area for the adsorption of impurities

chew-resistant plastic

and training guide

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Marina i25 Internal Filter Brand_Royal Canin The research grade carbon hasThe Marina i25 is a compact yet powerful internal filter for use with Marina goldfish aquariums or any other goldfish or tropical tank up to 25 liters (6. 6 US gallons). It effectively filters water through 3 stages of filtration, providing a cleaner and healthier aquarium environment. The filter's uniquely designed Power Cartridge (included) enables the water to enter the center of the cartridge for an effective mechanical, chemical and biological