Our high-quality rubber stoppers (size 10) are designed to meet the stringent requirements of various laboratory applications. These stoppers are soft, non-greasy, and provide a secure seal, making them an essential component in any lab setting. Each stopper features a single hole, making them ideal for venting or inserting tubing. Additionally, they are perfectly compatible with our 2000 mL Erlenmeyer flask and 2000 mL flat bottom boiling flask, ensuring a reliable fit for your specific needs.
 
Features
 
Material: Soft, high-quality rubber
Durometer: 45 (ensuring o