Corning Pyrex 250 ml Economy Squibb Separatory Funnel, Polyethylene Standard Taper Stopper, Replaceable Product Standard Ptfe Stopcock

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 is also replaceable. Its ground end provides a better grip and helps prevent the tip from falling out. The funnel comes complete with a high density No. 22 Standard Taper 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.