Water purifying apparatus and refrigerator having the same

A water purifying apparatus comprising:

• a head that defines a water inlet and a water outlet, the head being configured to couple to a filter and to supply water from the water inlet to the filter to thereby discharge filtered water through the water outlet;
• and
• a shaft disposed inside the head and rotatably disposed between the water inlet and the water outlet, the shaft defining a filtering passage configured to connect the water inlet to the water outlet to thereby guide water from the water inlet to the water outlet through the filter,
• wherein the shaft comprises:
• a shaft inlet configured to fluidly communicate with the water inlet,
• a shaft outlet configured to fluidly communicate with the water outlet, the filtering passage being defined between the shaft inlet and the shaft outlet,
• a water inlet blocking portion disposed between the shaft inlet and the shaft outlet and configured to block an opening of the water inlet, and
• a water outlet blocking portion disposed between the shaft inlet and the shaft outlet and configured to block an opening of the water outlet.