DONLAB Glass 3 Way Distillation Adapter 75°with 24/40 Joints for Vacuum Distilling: Amazon.com: Industrial & Scientific
StonyLab 3 Way Distilling Thermometer Adapter with 14/20 Joints and Screw Cap for Distillation Apparatus: Amazon.com: Industrial & Scientific
3 Way Distilling Adapter - StonyLab
Single Cow Distillation Adapter | Viton Gaskets | USA Lab
3 Way Distillation Adapter with Top 14/20 Joint, Bottom 19/22 Joint, 75° Angle Side 19/22 Joint for Distillation Apparatus: Amazon.com: Industrial & Scientific