Vacuum cooler will work in this way,as the pressure gradually decreases,the water begins to boil in a low temperature state and take away the heat,which can achieve rapid cooling and cooling.It is widely used in cooling and preservation of fruits and vegetables and food as well as transportation and storage and so on.
Characteristics :


Betterfresh Vacuum Cooler Advantages:
1.Film restoration effect. Repair of small scars of vegetables and fruits.
2.Prolong preservation time and shelf-time;
3.Fast cooling speed and uniform cooling, normal 20 to 30 minutes cooling duration for each cycle;
4.No pollution