Pyrex® Squibb Separatory Funnel, Pyrex Jointed Stopper, PTFE Stopcock, Capacity 250 mL, Corning (CAT#: STEM-L-3786-LKN)

These Pyrex® Squibb separatory funnels are designed so that only PTFE and borosilicate glass are in contact with liquids or gases. Two sealing mechanisms are utilized: the tip of the PTFE body is "threaded down" into a glass seat; an adjustable gland seal within PTFE body prevents leakage through the cap. No lubrication, O-rings, or retaining clips required.

Stopcock size: 4
Stopper size: 22
Overall L: 311 mm
Stem O.D. × L: 10 mm × 65 mm