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 a single hole, making them ideal for venting or inserting tubing. 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
Height: 25mm
Bottom Diameter: 26mm
Quantity: Approximately 22 stoppers per one-pound pack
Design: Single hole (ideal for venting or inserting tubing)
Compatibility: Fits a 250 mL flat bottom flask perfectly

