Our high-quality rubber stoppers (size 6) 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 two holes, making them perfect for applications requiring multiple insertions or venting options. Additionally, they are perfectly compatible with 250 mL flat bottom flasks, ensuring a reliable fit for your specific needs.
 
Features
 
Material: Soft, high-quality rubber
Durometer: 45 (ensuring optimal flexibility and sealing capability)
Dimensions:
Top Diameter: 32mm
<