Okulab test tubes provide consumers with high-quality products and convenient use. All tubes have uniform bottoms, polished edges, are the same length, and are packaged in a handy box.

Each set of our Okulab Glass Test Tubes comes equipped with a convenient cleaning brush. This ensures easy and thorough cleaning of the tubes after use, making them ready for your next project.
Our test tubes is capped with a tight-closing aluminum cap that includes a covered silicone gasket, making them ideal for a variety of applications. The round bottom design ensures stability, while the covered silicone gasket aluminum caps provide an excellent seal to keep your contents safe and secure. This ensures that your test tubes maintain an excellent seal, protecting your contents from leakage or contamination. Whether you're storing liquids or solids, you can trust our test tubes to keep your contents secure.

Thank you for your pick Okulab, please do not hesitate to contact us, if you have any questions about our products.