Product Description Household-type freeze dryer, also known as home freeze dryer, is a small vacuum freeze dryer.Apply to the family, online shop a small amount of freeze-dried use, widely adapted to fruits, meat, vegetables, Chinese herbal medicines, health products, etc. freeze-drying. Lyophilization or freeze drying is a process in which water is removed from a product after it is frozen and placed under a vacuum, allowing the ice to change directly from solid to vapor without passing through a liquid phase. The process consists of three separate, unique, and interdependent processes; freezing, primary drying (sublimation), and secondary drying (desorption).