Pair installation type refrigerator

A refrigerator system comprising:

• a first refrigerator including:
• a first cabinet defining a first storage space;
• a first door configured to open and close the first storage space;
• a first hinge coupled to the first cabinet and configured to rotate the first door relative to the first cabinet;
• a first machine room disposed under the first cabinet;
• a first discharge portion disposed at a first side wall of the first cabinet and in fluid communication with the first machine room;
• and
• a flow guide detachably coupled to the first side wall of the first cabinet and covering the first discharge portion;
• and
• a second refrigerator including:
• a second cabinet spaced apart from the first cabinet and defining a second storage space;
• a second door configured to open and close the second storage space;
• a second hinge coupled to the second cabinet and configured to rotate the second door relative to the second cabinet, wherein the second door is configured to open symmetrically to an opening direction of the first door;
• a second machine room disposed under the second cabinet;
• and
• a second discharge portion disposed at a second side wall of the second cabinet and in fluid communication with the second machine room,
• wherein the flow guide includes:
• a guide body, and
• a guide inner surface that faces the first discharge portion,
• wherein the guide body includes (i) a first edge portion that defines a bottom surface of the flow guide and (ii) a second edge portion and a third edge portion that extend upward from the first edge portion at opposite sides of the flow guide and define side surfaces of the flow guide.