Huijukon Air Pump Double Sponge Filter for Aquarium Fish Tank Up to 55 Gallons
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<b>[Product Information]</b><br>
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<li>Sponge filters provide both mechanical and biological filtration -- Works great,easy to clean (squeeze in tank water), keeps water cycled and clear.</li>
<li>Simply install an airline into the unit and provide both aeration and filtration for your fish</li>
<li>Aerobic bacteria colonize the sponge providing a bacterial substance to facilitate the nitrogen cycle</li>
<li>The filter is therefore the best choice for specific application for raising Discus, Angel Fish and other fish</li>
<li>Environmentally friendly and filter operation is no noise【Max Tank Size: 55 Gallons】</li>
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