6 Pack - 20x150mm Pyrex Glass Test Tubes with Rim and Marking Spot;
6 Pack - 20x150mm Pyrex Glass Test Tubes with Rim and Marking Spot

These PYREX glass test tubes are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These tubes have a white marking spot. Beaded rims are fire-polis...

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These PYREX glass test tubes are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These tubes have a white marking spot. Beaded rims are fire-polished.

  • size #7 cork (not included)
  • size #7 cork (not included)

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