The 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 litres (6.6 US gallons). It effectively filters water through 3 stages of filtration, providing a cleaner and healthier aquarium environment. The filters uniquely designed Power Cartridge (included) enables the water to enter the center of the cartridge for an effective mechanical, chemical and biological filtration process and exit from the polyester foam layer leaving all trapped debris inside the cartridge, ensuring your aquarium water is crystal clear. The motor positioned at the bottom of the filter makes the operation quieter. The 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 filters uniquely designed Power Cartridge (included) enables the water to enter the center of the cartridge for an effective mechanical, chemical and biological filtration process and exit from the polyester foam layer leaving all trapped debris inside the cartridge, ensuring your aquarium water is crystal clear Key Features: andbull;Enhances aquarium water quality andbull;Ideal for goldfish or tropical tanks up to 25 L (6.6 US gal.) andbull;Bottom positioned motor for quiet operation andbull;Waterfall spout for continuous oxygenation andbull;Effective 3 stage Filtration (mechanical, biological, and chemical) andbull;Easy replacement of Power Cartridge andbull;Compact size and energy efficient andbull;Refill Power Cartridges available (A134, sold separately)... Powered by Frooition --DOGS --CATS --CAGE BIRDS --SMALL ANIMAL --REPTILES --AQUATICS --POULTRY --WILD BIRD --CHRISTMAS FLUVAL MARINA I25 INTERAL AQUARIUM FILTER FISH TANK FILTRATION UP TO 25 LTRS -- -- -- FLUVAL MARINA I25 INTERAL AQUARIUM FILTER FISH TANK FILTRATION UP TO 25 LTRS Item Description FROM THE FLUVAL RANGE COMPACT & POWERFUL INTERNAL FILTER FOR USE WITH COLD WATER & TROPICAL TANKS UP TO 25 LTRS IT EFFECTIVELY FILTERS WATER THROUGH 3 STAGES OF FILTRATION, PROVIDING A CLEANER & HEALTHIER AQUARIUM ENVIRONMENT UNIQUELY DESIGNED POWER CARTRIDGE (INCLUDED) ENABLES WATER TO ENTER THE CENTER OF THE CARTRIDGE FOR AN EFFECTIVE MECHANICAL, CHEMICAL & BIOLOGICAL FILTRATION PROCESS EXITS FROM THE POLYESTER FOAM LAYER LEAVING TRAPPED DEBRIS & ENSURING CRYSTAL CLEAR WATER FEATURES: BOTTOM POSTITIONED MOTOR FOR QUIET OPERATION WATERFALL SPROUT FOR CONTINUOUS OXYGENATION EASY REPLACEMENT OF CARTRIDGE COMPACT