Rubber Stopper - Size #8.5 Drilled with 3/8" hole in the center. Our stoppers are manufactured from a premium grade rubber material. This makes the stopper soft, pliable and long lasting. The hole size is 3/8", and you can use any of our airlocks.
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Stopper Size |
Dimensions |
Use |
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#2 |
Small Diameter: 17mm Large Diameter: 21mm |
Fits the top of a beer bottle, for |
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#3 |
Small Diameter: 19mm Large Diameter: 24mm |
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#5½ |
Small Diameter: 17mm Large Diameter: 21mm |
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#6 |
Small Diameter: 27mm Large Diameter: 32mm |
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#6½ |
Small Diameter: 28mm Large Diameter: 34mm |
Fits MOST glass carboys |
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#7 |
Small Diameter: 31mm Large Diameter: 37mm |
Fits our 500ml Erlenmeyer Flasks |
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#7½ |
Small Diameter: 31mm Large Diameter: 39mm |
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#8 |
Small Diameter: 34mm Large Diameter: 42mm |
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#8½ |
Small Diameter: 36mm Large Diameter: 43mm |
Fits our 1000ml Erlenmeyer Flasks |
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#9½ |
Small Diameter: 38mm Large Diameter: 46mm |
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#10 |
Small Diameter: 43mm Large Diameter: 50mm |
Fits our P.E.T Plastic Carboys |
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#10½ |
Small Diameter: 46mm Large Diameter: 54mm |
Fits our 2000ml Erlenmeyer Flasks |
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#11 |
Small Diameter: 48mm Large Diameter: 56mm |
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#11½ |
Small Diameter: 50mm Large Diameter: 63mm |
