Variable Reflux Distillation Head with Glass Plugs
Rotation of cold finger condenser allows collection of distillate or return to flask. Stopcocks allow removal of the product or a receiver change without interrupting the distillation. Lower receiver joint has a drip tip. The distance between column/condenser top and bottom stopcocks is 135mm. Standard Taper 10/30 outer side joint accepts a 75mm immersion thermometer.