A water purifying apparatus includes: a plurality of filters purifying and discharging introduced water along flow paths formed therein; a plurality of heads to which the plurality of filters are individually mounted to be detachable, the plurality of heads each having an inlet part and an outlet part, through which water is introduced and discharged; a mounting member to which the plurality of heads are mounted in parallel, the mounting member having a rotation supporting part that rotatably supports the head, and the rotation supporting part being formed recessed such that the inlet part and the outlet part are accommodated therein; and a connecting cap mounted on the rotation supporting part to connect the inlet part and the outlet part to communicate with each other.