Midland Scientific Inc. Rubber Stopper with 1-hole, Black, Size 7, 14/lb
Supplies and Accessories
The Midland Scientific Inc. 7 size rubber stopper with 1-hole can be used with non-corrosive gases and avoids getting hardened for a long time.
The Midland Scientific Inc. 7 size rubber stopper with 1-hole can be inserted in the opening of a test tube to prevent its internal contents from getting spilled. Available in black color, it makes sure the gases created during a chemical reaction do no t escape from the beaker. This size 7 rubber stopper is a resilient lab accessory that can be expected to last for a long time. Having a single hole, this lab accessory allows you to insert a glass tube through it into the test tube for pouring liquids or collecting the gases emitted from it into another container. This cork is expected to endure laboratory conditions as it is made of high quality rubber. This package includes a set of 14 rubber stoppers.
Made of rubber in black
Contains one pre-drilled hole
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