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Amazon.com: 10 Pieces of Colorful Glass Tubes 4 Inches Long 12mm OD 8mm ID 2mm Thickness Glass Borosilicate Blowing Tubes : Industrial & Scientific
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Amazon.com: Glass Tubes 12 Piece, 4 Inch Long, OD 10 mm, Thickness 1.5 mm, Industrial Borosilicate Glass Tubing for Short Cup (10mm-4IN-Clear) : Industrial & Scientific
Amazon.co.jp: Xting Store 1 High Borosilicate Glass Tube, O.D, 80mm, THK, 2.8mm / 5mm, L, 100mm / 200mm / 250mm / 300mm High Temperature Resistant Glass Tube (Capacity: O.D.80x5x800mm) : Industrial & Scientific
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Amazon.com: 8 Inch Long 12 Piece Borosilicate Glass Tubes OD 12 mm Thickness 1.5 mm Colorful Industrial Glass Tubing for Tall Cup (12mm / Multiple Colors) : Industrial & Scientific
Best Wholesale Amazon Mini High Borosilicate Glass Tube Vial Clear Drifting Bottle Flat Bottom Glass Test Tube Bottle With Cork Manufacturer and Factory | Zhuodin
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Amazon.com: 8 Inch Long 12 Piece Borosilicate Glass Tubes OD 12 mm Thickness 1.5 mm Industrial Glass Tubing for Tall Cups (12mm / Clear) : Industrial & Scientific
Amazon.com: Egytree Borosilicate Glass Tubing 10mm OD 4 Inch Long 25 tubes 1 mm Thick Wall Clear Coe 33 : Industrial & Scientific
Labifie Borosilicate Glass Test Tube 25 * 150 mm (pack of 6 pcs). : Amazon.in: Industrial & Scientific
9.5mm 2.0 Borosilicate Clear Tube - FlameTree Glass, Inc. | Glass Art Supplies Workshops
Best Wholesale Amazon Mini High Borosilicate Glass Tube Vial Clear Drifting Bottle Flat Bottom Glass Test Tube Bottle With Cork Manufacturer and Factory | Zhuodin
Amazon.com: PQAPGT Colorful 4 Inch Long 5 Colors 10 Pieces Glass Borosilicate Blowing Tubes 12 mm OD 2mm Thick Wall Tubing : Everything Else