It is designed to securely seal laboratory glassware with GL 25 threads. Made from high-quality polyethylene (PE), this screw cap provides a leak-proof, tight seal, ensuring the safe storage and handling of liquids in laboratory settings. It is compatible with specific products, including 9102435 and 9102436, offering reliable sealing solutions for preventing contamination. Ideal for a variety of laboratory applications, this cap is an essential tool for safely closing laboratory containers and ensuring the integrity of your samples.