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PYREX® Squibb Separatory Funnels with PTFE [ST] Stopcock & [ST] Joints, Corning 6413
These Corning PYREX® squibb separatory funnels have a PTFE standard straight bore stopcock and inner and outer 19/22 standard taper joints. The PTFE plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination. Material: Borosilicate Glass Code 7740. Corning 6413.