... double taps and big power vacuum pump ,main machine is made of stainless material,Non-Vacuum pump, water circulation, provides vacuum for ... Small size ,rich functions2>.Double-meter,double-tap3>.Main machine is stainless,anti-corrosion,no-pollution4>.Can be used alone ... needs, we will customize Rotary Evaporator, equipped with vacuum pump, cooling system and control system. Welcome to consulting more ...