Contains 1 each 50, 150, 250ml Flask Rubber Stoppers: Sizes #2, #4, and #6 Class A & High quality inert 3.3 borosilicate glass Heavy Duty Reusable ASTM Specification E960, Type I requirements
Description
Contains 1 each 50, 150, 250ml Flask and Rubber Stoppers to match. Class A & High quality inert 3.3 borosilicate glass- Heavy Duty Reusable- ASTM Specification E960, Type I requirements