Rubber Stopper Size #12 - 1 Hole

Size #12 1-hole rubber stopper suitable for test tube and/or Erlenmeyer flask.
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Rubber test tube stoppers suitable for Glass or Plastic Test Tubes and Erlenmeyer Flasks. These long lasting stoppers are made from excellent grade rubber, with a low sulfur content. Contains 1 Size 12 stopper, 1 hole.

Material Chemical Resistant Rubber
Size #12
Top (mm) 36
Bottom (mm) 31
Height (mm) 31
# of Holes 1
Pack Size 1

Not sure what size stopper to use? See our handy Rubber Stopper Size Chart for help

More Information
Length (cm) 7
Width (cm) 5
Height (cm) 5
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