Freeze Dryer: Freeze drying system can remove moisture without changing the structure and activity of your sample. Applications include sample preservation and concentration. And it's really an ideal drying method for such thermo-sensitive products as bacteriophage,vaccine,enzyme,hormone 1.environment friend 2.Stainless steel front panel and chamber, anti-corrosive 3.LCD Screen, easy to operate, displaying drying graphs 4.transparent chamber,visibleand safe enough 5.sample prefreezing function 6.ice capacity is increased because of the heater exchanger