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
Additional Details : Weight : 0.80000kg
- 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