Simport Scientific Sample Tube, 4mL, Polypropylene, Round Bottom, Autoclavable, Non-Graduated, External Thread, Clear, 1000/Case

This 4mL polypropylene sample tube features a round bottom and external thread, designed for secure sample storage and transport. It is autoclavable and non-graduated, providing a clear, sterile-compatible container for laboratory use. Sold as a case of 1000 tubes without caps.