rotary evaporator AC-motor for no classless adjustable speed, no brushless, no sparkle,Sealing of the system is good rotary evaporator Rotary evaporator forms film to do condensation, distillation and menstruum recycle under negative pressure and constant temp.1.LCD Rotary Evaporator2.specification 1-50L3.Sealing of the system is good ,high vacuum degree4.Evaportor flask (L)2-50L5.Receiving flask ...