8 inch Borosilicate (heat resistant) Glass Tubing 7 colors COE 33 . ( white , transfar black , pink , purple , blue , green , clear ) . 12mm Diameter 8 mm inside with 2 mm thickness may there is 0.01 - 0.02 variance in lengt...

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8 inch Borosilicate (heat resistant) Glass Tubing 7 colors COE 33 . ( white , transfar black , pink , purple , blue , green , clear ) . 12mm Diameter 8 mm inside with 2 mm thickness may there is 0.01 - 0.02 variance in length and diameter . Fire polished amd open in both ends . Must use propane/oxygen Torch smooth ends in both sides . Ship from California

  • 8 inch Borosilicate (heat resistant) Glass Tubing

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