Photo 1 of hygger Aquarium Filter for 20-60 Gallon Tank, Multi-Use Submersible U-V Fish Tank Filter for Green Water and Algae Clean/Filtration/Oxygenation/Waveker/Circulation, Flow Rate Adjustable

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Photo 1 of hygger Aquarium Filter for 20-60 Gallon Tank, Multi-Use Submersible U-V Fish Tank Filter for Green Water and Algae Clean/Filtration/Oxygenation/Waveker/Circulation, Flow Rate AdjustablePhoto 2 of hygger Aquarium Filter for 20-60 Gallon Tank, Multi-Use Submersible U-V Fish Tank Filter for Green Water and Algae Clean/Filtration/Oxygenation/Waveker/Circulation, Flow Rate Adjustable