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
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
DWK Life Sciences Kimble Kontes Solid Pennyhead Glass Full Length Stoppers, Standard Taper Joint: 29/42, For Use With: Flask and separatory funnel, Solid Pennyhead Stopper