0L Jacketed glass raector details: Constant stress funnel Feed quickly,no residual,acid and alkali resistance,temp range:-100℃-400℃. Gear motor Smooth working,high torque,automated booster,no spark,explosion proof is optional. Kettle cover It is handy to wash,disassemble,and set up PT100 temperature probe. Double layer glass kettle physique High high quality borosilicate three.three glassware.