This globe shaped separator funnel with a long stopper neck and straight section between the funnel body and stopcock, which provides a secure grip while shaking and also aids in clamping, with PTFE stopcock. Laboy glass flasks are heavy wall designed, made by hand-blowing to ensure uniform wall thickness, 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.