Unique device for carrying out sublimation directly in round bottom reaction flask; simply remove condenser, stirrer, etc. from joint, insert sublimation adapter and begin. Coolant connection at top and side vacuum connection are 9.5 mm (3/8") O.D. Vacuum connection is controlled by 1:5 PTFE 2 mm bore stopcock. Adapter supplied with 24/40 joint for use with 250 mL or 500 mL flasks. Other joint sizes or capacities available, e-mail or phone for pricing.