Buy Bel-Art Products 20197-1530, Safe-Lab Hollow Teflon Stopper for Flask

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Bel-Art Products, 20197-1530, Safe-Lab Hollow Teflon Stopper for 29/42 Flask Size

For Boiling and Distilling Flasks

Use these hollow Teflon® PTFE stoppers for boiling and distilling flasks with ground joints.

Features:

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)
Joint Size: 29/42

Unit of Measure	Pack of 2 pcs

Unit of Measure

Pack of 2 pcs

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Bel-Art Products 20197-1530 Safe-Lab Hollow Teflon Stopper for Flask