DWK Glass Stopper, with short ground joint, octagonal
From borosilicate 3.3 glass. Note on using DURAN® glass stoppers with soda-lime
glass bottles: If the bottle and the stopper have a temperature difference greater
than 30°C, the glass stoppers can become stuck!
glass bottles: If the bottle and the stopper have a temperature difference greater
than 30°C, the glass stoppers can become stuck!