וַתֵּ֙לֶךְ֙ מֵֽאִתּ֔וֹ וַתִּסְגֹּ֣ר הַדֶּ֔לֶת בַּעֲדָ֖הּ וּבְעַ֣ד בָּנֶ֑יהָ הֵ֛ם מַגִּשִׁ֥ים אֵלֶ֖יהָ וְהִ֥יא מיצקת [מוֹצָֽקֶת׃]
So she went from him, and shut the door upon her and upon her sons; they brought the vessels to her, and she poured out.
Rashi on II Kings
They would bring [the containers] to her. The vessels.7They even brought her broken vessels and miraculously they became whole. These too were filled with oil.—Radak
Metzudat David on II Kings
They brought her the empty vessels because she didn't move from her place with her oil jug