... refrigerators: keep cold, save electric and keep food fresh. Maintain low temperature when power off.2.For refrigerated ... aquaculture, poultry, pet fish, and trading fresh food.3.For the food: frozen fresh food, drinks, beer, fruits, and vegetables ... if the contents contact the eyes, skin, or fresh frozen items, you can clean them with water thoroughly ... 3 to 4 times larger than ice. Supply gel ice boxes