Soft, non-greasy texture ensures comfortable handling and reduces mess
Size 4 design fits standard test tubes and flasks for versatile use
Solid construction provides reliable sealing and durability
Packaged in a 1-pound quantity for convenient bulk purchasing
Non-toxic latex material suitable for educational and scientific environments
Summarized by Shop
GSC International RS-4
Our high-quality rubber stoppers are soft, non-greasy and have a durometer of 45. They are sold in a one-pound pack.
These stoppers are size 4 and are solid (no hole drilled). Size 4 stoppers have top diameter of 26mm, a height of 25mm, and a bottom diameter of 20mm. Approximately 34 size 4 stoppers are included per