... .Flask capacity:0.25-2L 6.Lifting device:seasaw type push button, automatically lift and lower7.Constitution: Motor: induction motor, output power ... , for water bath and oil bath9.Cooling device: colde trap type, double return integrated spherical neck condenser, which is made of ... effect of quickly loading and unloading.10.Test flask: eggplant type flask, 1-2L,11.Recovery flask: spherical flask, 2L, ...