PYREX® 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 plugs which fit into the micro-finish barrel. The plug also reduces freezing problems and grease contamination. Replacement PTFE stopcock plugs are sold seperately.