The PYREX Disposable Round Bottom Threaded Culture Tubes are expertly crafted from Type 1, Class A low expansion borosilicate glass, setting a high standard in laboratory applications globally. These tubes are specifically designed to minimize pH fluctuations and prevent contamination, which can often occur with standard soda-lime glass. The round bottom design, combined with a white enamel marking spot, allows for easy labeling with pencil, which can be conveniently erased. Furthermore, these culture tubes are easy to clean and can be sterilized in autoclaves, withstanding temperatures of up to 121°C at 15 psi for 15 minutes. Their robust construction and excellent chemical resistance make them suitable for both professional laboratory use and educational purposes.

These versatile culture tubes are ideal for a variety of applications, from conducting experiments in educational settings to performing complex analyses in professional laboratories. Their disposable nature ensures convenience and hygiene, making them a practical choice for one-time use in various scientific procedures. Whether you are a student conducting a simple experiment or a researcher in need of reliable glassware, these culture tubes provide the quality and performance you can depend on.