Distillation head with cold finger type condenser and 0-3 mm PTFE stopcock for reflux control. Glass stopcocks on manifold and reflux arms can be used to isolate head from receiver so that receiver contents can be removed without disturbing the vacuum in the system. With condenser on takeoff arm and 10/30 thermometer joint for 76 mm immersion thermometer. Both column joint and receiver joint are 24/40. Finger condenser is approximately 20.3 cm long with a 24/40 joint. Glass stopcocks are 3 mm bore. Use with 5/16-inch or 3/8-inch I.D. Tubing, Size C or Size D. Thermometer not supplied.