Glass Vacuum Flow-control Adapter Bent with PTFE Stopcock & Male Joint

Vacuum Flow-control Adapter,Bent at 90 DGR,With 2mm PTFE stopcock to control the flow during distillaton or reaction.
With standard taper male joint at bottom to fit an interchangable female joint.
The 8mm hose connection is 90 degree bent at top,which can accommodate a 6mm I.D.rubber tubing.
Laboy Glass flow control adapter is made of high-quality borosilicate glass and annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling.