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Cole-Parmer™ Two-Hole Rubber Stopper
Use these rubber stoppers for use with nonaggressive or low concentration solutions. Cole-Parmer™ Two-Hole Rubber Stoppers provide good tightness and adhesion and withstand laboratory conditions without hardening.
Brand: Cole-Parmer™ 62991-76
This item is not returnable.
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Description
- Black stoppers made with solid natural rubber stay pliable over a long period of time
- Each stopper has its size marked in raised figures
- Low sulfur content
- Withstand temperatures from –25 to 70°C
Specifications
| 5mm | |
| 30/Pk. | |
| Black | |
| 27 mm | |
| Stopper (2 holes) |
| 25mm | |
| 5 | |
| 23 mm | |
| Rubber |