DWK Life Sciences Kimble Kontes Medium Length Pennyhead Stoppers , 14/20, Glass, For Use With: Laboratory glassware such as flasks and separatory funnels, Standard Taper Joint: 14/20
DWK Life Sciences Kimble Kontes Medium Length Pennyhead Stoppers , 14/20, Glass, For Use With: Laboratory glassware such as flasks and separatory funnels, Standard Taper Joint: 14/20
DWK Life Sciences Kimble Kontes Replacement Glass Stopper for Cylindrical Addition Funnels with Pressure Equalizing Lines, Size: Medium length, For Use With: Cylindrical addition funnels with pressure equalizing lines, Hexagonal Head Stoppe
DWK Life Sciences Kimble Kontes Full Length Pennyhead Stoppers, 10/30, Glass, For Use With: Laboratory glassware such as flasks and separatory funnels, Standard Taper Joint: 10/30