Midland Scientific Inc. Rubber Stopper with 1-hole, Size 5, 25/lb
Supplies and Accessories
The Midland Scientific Inc. size 5 rubber stopper with one hole, designed for experiments with non-corrosive gases, is a laboratory grade accessory.
Prevent the contents of a test tube or a flask from spilling by inserting the Midland Scientific Inc. size 5 rubber stopper with one hole. Use this black accessory to contain the gases produced during a chemical reaction and to avoid interruption due to external gases. This size 5 rubber stopper is durable and can be expected to endure long-term rigorous use without damage. There is a single hole in this stopper, which allows you to insert a glass tube or a thermometer to add chemicals, collect gases or check the temperature without uncorking the test tube. The stopper is temperature and chemical resistant. This package includes 25 rubber stoppers.
Made of black rubber
Contains one pre-drilled hole
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