A seed chest with a telescopic type inner riser is disclosed. A seed chest according to an embodiment of the present invention is a seed chest for sucking seawater from a lower portion of a hull, comprising: a main body having a bottom opened and temporarily storing the inhaled seawater; A seawater suction unit for supplying seawater temporarily stored in the main body to various facilities of the hull; And an inner riser of the telescopic type installed in the main body and varying the depth of the seawater to be sucked through the descent length adjustment.
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