These 250 mL PYREX® economy Squibb separatory funnel replacements do not have a Polytetrafluorethylene (PTFE) valve assembly or polyethylene stopper. For replacement polyethylene Standard Taper stoppers, see No. 7624; for replacement PTFE locking stopcock assemblies, see No. 2116-LSO; for replacement tips, see No. 6406-GTO.
These 60 mL PYREX® economy Squibb separatory funnel replacements do not have a Polytetrafluorethylene (PTFE) valve assembly or polyethylene stopper. For replacement polyethylene Standard Taper stoppers, see No. 7624; for replacement PTFE locking stopcock assemblies, see No. 2116-LSO; for replacement tips, see No. 6406-GTO.
These 125 mL PYREX® glass separatory funnels have Polytetrafluorethylene (PTFE) No. 2 Product Standard stopcocks 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. For replacement PTFE stopcock plugs, see No. 7681-2.
