Safe-Lab Hollow Teflon PTFE Stoppers for Tapered Joints
For Boiling & Distilling Flasks
Use these hollow Teflon® PTFE stoppers for boiling and distilling flasks with ground joints.
- Easily removed from standard tapered glassware by turning the red extraction nut to apply a safe, gentle, and even force against the mouth of the vessel
- Helps eliminate accidents and breakage
- Autoclave safe at 121 °C (250 °F)
TEFLON® is a registered trademark of The Chemours Company FC LLC and used under license by Bel-Art Products, Inc. Stopper comes with polypropylene extracting nut for easy removal from flask.
Product Variants
| Catalog No. | Joint Size | Quantity / Pack | Where to Buy |
|---|---|---|---|
| F20197-1515 | 24/40 | 2 | Find a Distributor |
| F20197-1530 | 29/42 | 2 | Find a Distributor |
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