General Lab Products & Reviews

These 60 mL PYREX® pear-shaped glass separatory funnels have PTFE (Polytetrafluorethylene) No. 2 Product Standard stopcocks and No. 16 Standard Taper polyethylene stoppers. The stopper is made with a closed bottom and is of linear high density polyethylene to conform to Standard Taper stopper dimensions. The PTFE plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination. For repla…

These economical 125 mL PYREX® separatory funnels are designed to reduce replacement costs by providing replaceable components. These sturdy, durable funnels are designed for long life and maximum safety. The replaceable No. 4 Polytetrafluorethylene (PTFE) Product Standard stopcock assembly has a simple screw thread locking nut and collar which ensure that the stopcock cannot fall out in use. The tip has a 7mm O.D. stem that i…

These 125 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 economical 1L PYREX® separatory funnels are designed to reduce replacement costs by providing replaceable components. These sturdy, durable funnels are designed for long life and maximum safety. The replaceable No. 4 Polytetrafluorethylene (PTFE) Product Standard stopcock assembly has a simple screw thread locking nut and collar which ensure that the stopcock cannot fall out in use. The tip has a 7mm O.D. stem that is al…

These 1L 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 economical 250 mL PYREX® separatory funnels are designed to reduce replacement costs by providing replaceable components. These sturdy, durable funnels are designed for long life and maximum safety. The replaceable No. 4 Polytetrafluorethylene (PTFE) Product Standard stopcock assembly has a simple screw thread locking nut and collar which ensure that the stopcock cannot fall out in use. The tip has a 7mm O.D. stem that i…

These economical 2L PYREX® separatory funnels are designed to reduce replacement costs by providing replaceable components. These sturdy, durable funnels are designed for long life and maximum safety. The replaceable No. 4 Polytetrafluorethylene (PTFE) Product Standard stopcock assembly has a simple screw thread locking nut and collar which ensure that the stopcock cannot fall out in use. The tip has a 7mm O.D. stem that is al…

These 2L 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 economical 500 mL PYREX® separatory funnels are designed to reduce replacement costs by providing replaceable components. These sturdy, durable funnels are designed for long life and maximum safety. The replaceable No. 4 Polytetrafluorethylene (PTFE) Product Standard stopcock assembly has a simple screw thread locking nut and collar which ensure that the stopcock cannot fall out in use. The tip has a 7mm O.D. stem that i…

These 500 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.