These are new out of box stoppers that were originally acquired from a US pharmaceuticals lab.
Manufacturer: Chemglass CG-3019
Description: Flask length PTFE stopper has a Solid Polypropylene extraction nut permitting easy removal of the stopper from the flask.
Each stopper 1 1/4" tall and 3/4" at its widest point, which is the black extraction nut.
If you are in need of laboratory supplies or glassware, please see a selection of Pyrex, ACE, Chemglass, Buchi and other
brands available in the New Life Scientific web store!
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