Used working Heidolph Laborota 4003-control digital rotavapor/rotary evaporator with digital waterbath model Heizbad HB, 120v. . The glassware: glass condenser , 1-liter receiving flask, duct. The rotavapor works quiet. If not satisfied, You can return this unit within 30 days for a full refund minus shipping both ways. . International buyers- please inquire the shipping quote first.