<ul><li>Suitable for aquarium with small fishes or breeding aquarium tanks.</li><li>Requires the air pump for the operation of the filter</li><li>Can be use in planted aquarium</li><li>Biochemical sponge filter</li><li>Easy installation</li><li>Absorbs beneficial bacteria</li><li>Oxygenating the water</li><li>XY-180</li><li>Material: Plastic,sponge</li><li>Color: Black</li><li>Oxygen tube size: Inner diameter of 4mm/0.16" -Product size: 160mm/6.30"(high),65mm/2.56"(bottom),73mm/2.87"(Sponge diameter)</li><li>Tube diameter: 20mm/0.80</li></ul>

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