If you’re looking for reliable and sturdy seals for your lab equipment, the Assorted Black Rubber Lab Stoppers are just what you need. This pack of 50 comes in various sizes, making it easy to find the perfect fit for your flasks, bottles, or other lab glassware. No more worrying about leaks or spills—the durable rubber material provides a snug fit, ensuring your samples stay safe and secure.
These stoppers are super versatile and can be used for all kinds of applications, whether you're in a school lab or a professional setting. They are easy to insert and remove, so switching out containers or samples is a breeze. Plus, having a bulk pack means you’ll always have the right stopper on hand when you need it. It's a small but essential addition to your lab supplies that makes a big difference!