These 6L PYREX® pear-shaped glass separatory funnels have Polytetrafluorethylene (PTFE) No. 10 Product Standard stopcocks and strong, hollow No. 38 Standard Taper glass stoppers.
- The PTFE plug fits into the micro-finish barrel
- The plug also reduces freezing problems and grease contamination
For replacement glass Standard Taper stoppers, see No. 7650; for PTFE stopcock assemblies, see No. 7681.