Hexagonal hollow stopper DURAN®, pointed For closing glassware such as ground flasks or laboratory bottles. DG-joint quality. Ground size NS45/40 Version Hollow Grip disc Hexagonal Material DURAN® ...
Hexagonal hollow stopper DURAN®, pointed For closing glassware such as ground flasks or laboratory bottles. DG-joint quality. Ground size NS34/35 Version Hollow Grip disc Hexagonal Material DURAN® ...