PYREX 125mL Replacement Squibb Separatory Funnel,

Corning These replacement 125mL PYREX® glass separatory funnels have inner and outer 19/22 Standard Taper joints. They require Polytetrafluorethylene (PTFE) No. 2 Product Standard stopcock plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination. For replacement PTFE stopcock plugs, see No. 7681. - COG