#9.5 Solid Stopper (SRS)
The #9.5 Solid Rubber Stopper (SRS) is a solid pure white gum laboratory stopper. The top diameter is 1 13/16" and the bottom diameter is 1 1/2". This stopper is solid and does not have a hole drilled in it. A perfect stopper to use if fermentation has ceased or you are storing your clean and dried container.
Fits most 2000 mL Erlenmeyer flasks.
Also available as a #9.5 drilled rubber stopper (drs).