Solid, 1-Hole, and 2-Hole Stoppers in Assorted Sizes.
- Superior grade of rubber
- Soft, resilent, and durable
- Low sulfur content
- Size numbers molded onto the top
- All stoppers are 25 mm long
Designed to stay pliable over long period of time, these stoppers can withstand temperatures from –25 to 70°C (–13 to 158°F). Ideal for use with nonaggressive or concentrated solutions.