... model among Senco rotary evaporators. Standard ModelR502DR503DParameters1Evaporating Flask (L)5L / F505L / F502Receiving Flask (L)3L/40, Bottom Discharge3L/S35, Bottom Discharge3Condensing Surface ... for Rotary Evaporators and Reactors. She is professional in D&E, Manufacturing and Oversea Customer Support. It is a technology ... High Vacuum, Bath Lift Rotary Evaporator 5L, oil bath, SENCO(r), China made