One piece design with the condenser angled at 75°. The product side of this unit has a vacuum port which can be left open for atmospheric distillations. A Standard Taper 10/30 outer joint is provided for a thermometer calibrated for 75mm immersion on Standard Taper 24/40 and Standard Taper 29/42 joint sizes(LG-6115) . See LG-10447 for thermometer adapters for Standard Taper 14/20 and Standard Taper 19/22 joints.