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    What People Are Saying

    Works great
  • Craig
  • 10/01/2015
  • Freeze the stopper and you can drill a nice clean hole in it.
    It works
  • Al
  • 03/22/2014
  • Fits in the 100mL flask well. Thanks

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    Rubber stopper, #3, solid

    Ages 8+

    Item# CE-STOP03C

    $0.50 in_stock

    In Stock

    Order now to ship Tomorrow. Express shipping is available.
    Product Overview
    These #3 rubber stoppers are 18-24 mm diameter. #3 rubber stoppers fit liter soda bottles.

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    QUANTITY 1 - 2 3 - 9 10+
    PRICE $0.50 $0.45 $0.43
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    • Product Details

      Rubber stopper, #3, solid

      These #3 rubber stoppers are 18-24 mm diameter. #3 rubber stoppers fit 50-100 ml HST Erlenmeyer flasks, liter soda bottles or extra large test tubes.

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