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Filter Material Biochemical Filter Cotton Fine Hole Cotton for Aquarium Fish Tank

Suitable for sea water tank, fresh water tank, aqua-plant tank. Fine hole filter cotton is useful and effective.

Great fish tank and aquarium filter cotton and give the fish fresh environment.

Strong filterability. It can be used repeatedly after cleaning.

Effective to avoid residue and reduce the death rate of fish and chemical filtration and increase the oxygen solubility in aquarium and fish tank.