Abstract: A refrigerator includes a refrigerating room, a vegetable room, and a vegetable box movably disposed in the vegetable room. The vegetable box includes an air inlet and an air outlet. A duct disposed on a wall of the vegetable box interconnects the air inlet and air outlet. A blower disposed in the duct circulates air from said outlet to said inlet. The duct carries seals which form air seals around the inlet and outlet when the vegetable box is closed. Temperature sensors automatically turn the blower on and off. A channel extends along a wall of the vegetable box and includes through-holes. The channel communicates with the air outlet.