Introducing the Premium Borosilicate Glass Culture Tubes with Phenolic Screw Caps, a superior solution for both professional laboratories and educational institutions. Measuring 16 x 150 mm with a capacity of 20 ml, these culture tubes are constructed from high-quality Type 1, Class A borosilicate glass, known for its exceptional thermal and chemical resistance. This makes them ideal for a wide range of applications, from biology and chemistry experiments to industrial uses. The white enamel marking spots provide a convenient area for labeling, ensuring that your samples are easily identifiable and organized during your work.

Designed for durability and ease of use, these culture tubes feature a round bottom and are equipped with robust phenolic screw caps that include a white rubber liner for a secure, leak-proof seal. This design not only protects your samples from contamination but also allows for safe handling and storage. The tubes are reusable and can be easily cleaned and sterilized in autoclaves at temperatures up to 121°C, making them a practical choice for busy laboratory environments. With over a century of trusted performance, PYREX glassware is the preferred choice for chemists and researchers, ensuring that these culture tubes are an essential addition to any laboratory or home chemistry kit.