#8 Solid Rubber Stopper (SRS)
This #8 Solid Rubber Stopper (SRS) is a solid pure white gum laboratory stopper that has a top diameter of 1 5/8" and a bottom diameter of 1 3/8". This stopper does not have a hole drilled in it, making it the perfect stopper to use if fermentation has ceased or you are storing your clean and dried container.
Great for wide mouth gallon jugs.
Also available as a #8 drilled rubber stopper (drs).