Designed for Long Life and Maximum Safety
- Heavy walled, borosilicate glass for maximum mechanical strength
- HPDE standard taper stopper no.:22
- Replaceable PTFE stopcock assembly
These economical PYREX® separatory funnels are designed to reduce replacement costs by providing replaceable components. The replaceable 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 stem tip is also replaceable. Its ground end provides a better grip and helps prevent the tip from falling out.