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70mm diameter plain watch glass/beaker cover
Fits Griffin Beaker size 25 - 100ml
High quality inert flint glass
Heavy Duty Reusable
Karter Scientific is a registered trademark in United States of America. To maintain quality control, authorized permission is required in the resale of our products. Glass Watch Glass with high chemical durability, thus preventing contamination of solutions. They are molded to the same radius of curvature for convenient stacking. The heavy wall and uniform fire-polished edge provide mechanical strength.