Midland Scientific Inc. Rubber Stopper with 2-hole, Size 00, 95/lb
Supplies and Accessories
Perfectly seals the opening of a container
Insert the Midland Scientific rubber stopper into the opening of a test tube to prevent the chemical stored in it from spilling. Use this black rubber stopper to contain the gases produced during a chemical reaction and avoiding any kind of interruption due to external gases. This resilient stopper can endure rigorous use for a long time without damage. There are two holes in the stopper, allowing simultaneous insertion of a laboratory funnel and a glass tube through the stopper and into the test tube . It is made of high-quality rubber and is impervious to chemical attack or heat.
Made of black rubber
Has two pre-drilled holes
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