Safe-Lab™ solid Teflon® PTFE plastic stopper with threaded polypropylene extracting nut is for flasks with ground joints. 3/pack.
- Perfect for boiling and distilling flasks
- Easily removed by turning the red extraction nut to apply a safe, gentle and even force against the mouth of the vessel, helping to eliminate accidents and breakage
- Autoclave safe at 121ºC (250ºF)
TEFLON® is a registered trademark of The Chemours Company FC LLC and used under license by Bel-Art Products, Inc.
Joint Size: 24/40