For use with 10mm stirring rods, the body is Teflon® PTFE with a Viton® O-ring.
• Comes complete with two Teflon® PTFE inserts with inside O-ring for fine adjustment of stirring rod tension
• Threaded polypropylene locking compression cap on top
• Extracting nut above the ground joint allows easy and quick removal from flask
• Not autoclavable
TEFLON® is a registered trademark of The Chemours Company FC LLC and used under license by Bel-Art Products, Inc.