Bel-Art Safe-Lab Hollow Teflon PTFE Stopper for 45/50 Tapered Joints

Safe-Lab Hollow Teflon PTFE Stopper

For 45/50 Tapered Joints

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 121ºC (250ºF)

TEFLON® is a registered trademark of The Chemours Company FC LLC and used under license by Bel-Art Products, Inc.