LabCradle 4 way (cow) 24/40 Receiving adapter for Short Path Distillation. Adapter has vacuum take off connector suitable for 3/8" Vacuum Hose. It connects directly to distillation head and to receiving flasks and vacuum pump. We can make other  join sizes like 29/42 34/45 or 45/55. Adapter is hand made in Canada from high quality European borosilicate Pyrex type glass