The invention concerns of a tank (1) for storing a food or beverage powder (3) and a powder refilling container (2) for refilling said tank with powder, in which: —the tank comprises a storing chamber (11) and a powder inlet (12), —the powder refilling container comprises a powder outlet (21), the powder outlet of the powder refilling container and the powder inlet of the tank being designed for cooperating together in order to create a connection and a path for powder between the powder outlet of the powder refilling container and the powder inlet of the tank, and wherein the connection between the powder outlet of the powder refilling container and the powder inlet of the tank is designed so that, once the powder inlet and the powder outlet are connected, the connection enables the positioning of the powder outlet of the powder refilling container: —in one first position wherein the powder outlet of the powder refilling container is oriented upwardly, —in one second position wherein the powder outlet of the powder refilling container is oriented downwardly.

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