LabCradle Mono adapter for Short Path Distillation Canadian Made. Adapter has vacuum take off connector suitable for 3/8" or 1/2" Vacuum Hose. It connects 3 or 4 way adapter to receiving flask and vacuum pump. This setup replaces old 3 way "cow" receiving adapter. It has about 65 degrees between side joints. We can make join sizes 24/40 29/42 34/45 or 45/55. Adapter is hand made in Canada from high quality European borosilicate Pyrex type glass