Pyrex™ Heavy Walled Test Tube Quantity: 100/Pk Reusable Glass Test Tubes | Fisher Scientific
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Extra Heavy Wall Tube - 22.2mm x 3.2mm (36) - Pyrex - Borosilicate Glass - 33 COE
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Wale Apparatus - Heavy Wall Corning Pyrex Glass Tubing - 5 ft. lengths - SKU # BH-012, BH-034, BH-038, BH-058, BH-078, BH-100, BH-112, BH-114, BH-134, BH-200, BH-212
