... Long svc life; -Easy Assembly, User Friendly Operation ROTARY EVAPORATOR SENCO-MADEModel: 5L with Oil Bath Capacity: 5LBath Temp.: 100C, Precise ... PTFE discharge valve, durable and easy use.- Popular model among Senco rotary evaporators. Standard ModelR502DR503DParameters1Evaporating Flask (L)5L / F505L / F502Receiving ... Bath, High Vacuum, Bath Lift Rotary Evaporator 5L, oil bath, SENCO(r), China made