Rotary Evaporator - 5L, 100C water bath, Frequent Convertion Control, Long svc life; - Easy ... Joint- O -- O -27 .Optional Evaporating Flask100ml, 250ml, 500ml, 1L, 3L100ml, 250ml, 500ml, 1L, 3LSymbol Instruction: - Y - (Equipped), - O - (Optional), - / - ... , China made, Rotary Evaporator, Experiemental, Lab scale, Pilot Production, Water Bath, Oil Bath, High Vacuum, Bath Lift 5L Rotary Evaporator ...