Inner tank: 1 hole, 2 holes, 2 rows & 4 four holes, 2 rows & 6 holes are stainless steel stretching inner chamber. 1 row & 4 holes, 1 row & 6 holes, 2 rows & 8 holes are stainless steel inner chamber.
Used for precision constant temperature and auxiliary. This device is widely used for evaporation,drying,concentration and constant temperature heating in the school laboratory,food processing,oil factory,biochemistry,agriculture and etc.