If you're setting up a lab or just need reliable stoppers, the FunChem 19# Rubber Stopper is a solid choice. These stoppers are designed to fit various labware like test tubes and flasks, giving you a secure closure without any hassles. Made from durable rubber, they provide an excellent seal, so you can prevent leaks and keep your samples safe. Plus, this pack of 10 means you’ll have plenty on hand for all your projects!
One of the best things about these rubber stoppers is how easy they are to work with. They come in a standard size, making them a go-to for most lab setups. Whether you're a student, teacher, or a professional, you’ll appreciate how these stoppers simplify your experiments. No more worrying about spills or contamination—just reliable performance every time you use them!
