Glass stem mouthpiece is made of high-quality borosilicate glass, heat-resistant(520°C /968°F), durable, and chemically stable, ensuring long-lasting performance.
Each tube measures 110mm /4.33" in length with a 12mm outer diameter and 2.0mm wall thickness, compatible with most applications. Smooth, precision-cut edges and uniform thickness ensure safe handling and efficient airflow.
Universally suitable for standard laboratory setups and chemistry instrumentation, ideal for chemical experiments, air drying,educational labs, DIY projects, or professional research.
The glass tube stem is easy cleaning, wash directly with water and clean the inside of the pipe with a brush.