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    What People Are Saying

    Good quality glassware!
  • Christiane
  • 08/16/2015
  • We will be using this item for an Environmental Science Class
    Easy to use with veg. oil
  • Murray
  • 10/04/2013
  • I found that placing a few drops of grape seed oil into a stopper made insertion quite easy and safe. I used a pot holder for extra safety. After insertion, cleanup with mild soap assured an uncontaminated setup.
    good
  • emerson
  • 05/18/2011
  • good but one broke when I dropped it unsurprised but still :(

    reward points

    Tube, 5 mm glass, 3" long

    Ages 11+

    Item# CE-TUBEGLS

    $0.75 in_stock

    In Stock

    Order now to ship Tomorrow. Express shipping is available.
    Product Overview
    5mm glass tubes fit in all rubber stoppers & attach to 4.8 mm plastic or rubber tubing. Pack of two.

    Quantity Pricing

    Save big when you purchase at the quantity levels shown below!


    QUANTITY 1 - 9 10+
    PRICE $0.75 $0.60
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    • Product Details

      Tube, 5 mm glass, 3" long

      5mm borosilicate glass tubes fit in all rubber stoppers & attach to 4.8 mm plastic or rubber tubing. Pack of two.

      This tubing fits very tightly in #3 and smaller stoppers. Use Vaseline or cooking oil to help insert the tubing into the stopper, holding the tubing with a cloth to protect your hand if it breaks.

      Note: HST has not tested this product for compliance with food safe requirements.

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