Separatory funnels acc. to Squibb - Stopcock with NS PTFE plug, ungraduated

made of borosilicate glass 3.3in compliance with DIN ISO 4800very good chemical resistanceminimal thermal expansionhigh resistance to thermal shockswith polystopper standard ground joint 29/32 (100 ml: NS 19/26)Stopcock with NS PTFE plug, ungraduated..