| 摘要 |
A disposable aquarium filter has a filter medium sealed within a filter housing. The housing has one compartment for the filter medium and another compartment for receiving the end portion of an air supply tube, the compartments being oriented and arranged so that air discharging from the air supply tube functions to circulate water through the filter compartment. When the filter medium becomes contaminated or clogged, the entire filter including the housing with the filter medium therein is discarded. A new, unused filter is installed by withdrawing the air supply tube from the old filter and reinserting it into the new filter.
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