Made from high-quality borosilicate glass in accordance with DIN 12252 standards.
Provides excellent chemical and high temperature resistance.
The flat hexagonal design prevents the stopper from rolling and allows it to stand upright, keeping
the contact surface clean.
Easy to clean and rotate; side grooves prevent slipping and offer a secure grip.
Hollow-blown structure helps reduce weight.
Ground joint ensures a completely leak-proof fit with all compatible bottles.