SINGLE MANIFOLD PTFE STOPCOCK
Main tube is 22mm O.D. with serrated hose connection .
Distance between stopcocks is 100mm.
Laboy glass flasks are heavy wall designed,made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glasss 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.