STOPPER NO16 6/CS.PYREX Solid Glass Pennyhead Standard Taper Stoppers, Length Ground Zone: 1.5 cm, Size: 16, For Use With: Flask and separatory funnel, Pennyhead Stopper
STOPPER NO16 6/CS.PYREX Solid Glass Pennyhead Standard Taper Stoppers, Length Ground Zone: 1.5 cm, Size: 16, For Use With: Flask and separatory funnel, Pennyhead Stopper
STOPPER NO22 6/CS.PYREX Solid Glass Pennyhead Standard Taper Stoppers, Length Ground Zone: 2 cm, Size: 22, For Use With: Flask and separatory funnel, Pennyhead Stopper
STOPPER NO27 6/CS.PYREX Solid Glass Pennyhead Standard Taper Stoppers, Length Ground Zone: 2.1 cm, Size: 27, For Use With: Flask and separatory funnel, Pennyhead Stopper