| 摘要 |
A filtering device for aquariums, of the type to be hung on the outside of an aquarium, having a casing housing at least one filtering mass, an electric pump for drawing water from the aquarium through a dip tube, and a member for returning the filtered water to the aquarium. The base of the casing separates a first chamber housing an impeller of the electric pump from a chamber housing the filtering mass and is provided with at least one aperture providing communication between said two chambers.
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