Solid No. 5.5 Stopper

This #5.5 Rubber stopper bung is solid without a drilled hole. Use it to seal off a fermenting container after it's finished fermenting.

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Specifications:

• Made out of Rubber
• 1 1/8" Top Diameter
• 15/16" Bottom Diameter
• 1" Height
• Gum Laboratory Solid Stopper