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Rubber Stoppers / Caps

When looking for rubber stoppers of different sizes and with or without holes go no further. We offer nothing but the highest quality pharmaceutical grade rubber stoppers available on the market.

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  1. Size #1 Rubber Stopper

    Size #1 Rubber Stopper

    • Top diameter 3/4". Bottom diameter 9/16".
    • Made of pharmaceutical-grade, tan color rubber.
    • Available both with and without holes.
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    Price: $1.81
  2. Size #2 Rubber Stopper

    Size #2 Rubber Stopper

    • Top diameter 13/16". Bottom diameter 5/8".
    • Fits our Poly-Fermenters, Tuff-Tanks, and wine bottles.
    • Available both with and without holes.
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    Price: $1.88
  3. Size #3 Rubber Stopper

    Size #3 Rubber Stopper

    • Top diameter 15/16". Bottom diameter 3/4".
    • Made of pharmaceutical-grade, tan color rubber.
    • Available both with and without holes.
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    Price: $1.98
  4. Size #4 Rubber Stopper

    Size #4 Rubber Stopper

    • Top diameter 1". Bottom diameter 13/16".
    • Made of pharmaceutical-grade, tan color rubber.
    • Available both with and without holes.
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    Price: $2.09
  5. Size #5 Rubber Stopper

    Size #5 Rubber Stopper

    • Top diameter 1-1/16". Bottom diameter 7/8".
    • Made of pharmaceutical-grade, tan color rubber.
    • Available both with and without holes.
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    Price: $2.21
  6. Size #5.5 Rubber Stopper

    Size #5.5 Rubber Stopper

    • Top diameter 1-1/8". Bottom diameter 15/16".
    • Made of pharmaceutical-grade, tan color rubber.
    • Available both with and without holes.
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    Price: $2.36
  7. Size #6 Rubber Stopper

    Size #6 Rubber Stopper

    • Top diameter 1-1/4". Bottom diameter 1".
    • Fits our 1 gallon glass jugs.
    • Available both with and without holes.
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    Price: $2.42
  8. Size #6.5 Rubber Stopper

    Size #6.5 Rubber Stopper

    • Top diameter 1-3/8". Bottom diameter 1-1/16".
    • Fits our 6 gallon glass carboys.
    • Available both with and without holes.
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    Price: $2.63
  9. Size #7 Rubber Stopper

    Size #7 Rubber Stopper

    • Top diameter 1-7/16". Bottom diameter 1-3/16".
    • Fits our 3 and 5 gallon glass carboys.
    • Available both with and without holes.
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    Price: $2.79
  10. Size #7.5 Rubber Stopper

    Size #7.5 Rubber Stopper

    • Top diameter 1-9/16". Bottom diameter 1-1/4".
    • Made of pharmaceutical-grade, tan color rubber.
    • Available both with and without holes.
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    Price: $3.05

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Set Descending Direction

Items 1-10 of 28

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