Main -> Separating systems -> Evaporation -> Rotary evaporators Steam Ducts, Rettberg Article Length mm Version Order No. (1) Steam duct 165 for setup V and C 13 70 04525 Steam duct 282 for setput A 13 70 04527 (2) Vacuum seal KD 22, PTFE improved PTFE 13 70 04529